CVE-2026-22318 (GCVE-0-2026-22318)
Vulnerability from cvelistv5
Published
2026-03-18 07:33
Modified
2026-03-18 13:57
CWE
  • CWE-121 - Stack-based Buffer Overflow
Summary
A stack-based buffer overflow vulnerability in the device's file transfer parameter workflow allows a high-privileged attacker to send oversized POST parameters, causing memory corruption in an internal process, resulting in a DoS attack.
Impacted products
Vendor Product Version
Phoenix Contact FL SWITCH 2005 Version: 0.0.0   
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   Phoenix Contact FL SWITCH 2008 Version: 0.0.0   
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   Phoenix Contact FL SWITCH 2016 Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2105 Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2108 Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2116 Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2204-2TC-2SFX Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2205 Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2206-2FX Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2206-2FX SM Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2206-2FX SM ST Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2206-2FX ST Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2206-2SFX Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2206-2SFX PN Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2206C-2FX Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2207-FX Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2207-FX SM Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2208 Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2208 PN Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2208C Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2212-2TC-2SFX Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2214-2FX Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2214-2FX SM Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2214-2SFX Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2214-2SFX PN Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2216 Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2216 PN Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2304-2GC-2SFP Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2306-2SFP Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2306-2SFP PN Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2308 Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2308 PN Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2312-2GC-2SFP Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2314-2SFP Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2314-2SFP PN Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2316 Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2316 PN Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2404-2TC-2SFX Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2406-2SFX Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2406-2SFX PN Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2408 Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2408 PN Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2412-2TC-2SFX Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2414-2SFX Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2414-2SFX PN Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2416 Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2416 PN Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2504-2GC-2SFP Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2506-2SFP Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2506-2SFP PN Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2508 Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2508 PN Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2512-2GC-2SFP Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2514-2SFP Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2514-2SFP PN Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2516 Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2516 PN Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2608 Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2608 PN Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2708 Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2708 PN Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2303-8SP1 Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL NAT 2008 Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL NAT 2208 Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL NAT 2304-2GC-2SFP Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2008F Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2316/K1 Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2506-2SFP/K1 Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 2508/K1 Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH TSN 2316 Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH TSN 2312-2GC-2SFP Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH TSN 2314-2SFP Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 5924-4GC Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 5916-8GC-4SFP+ Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 5924SFP-4GC Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 5924-4SFP+ Version: 0.0.0   
Create a notification for this product.
   Phoenix Contact FL SWITCH 5916SFP-8GC-4SFP+ Version: 0.0.0   
Create a notification for this product.
Show details on NVD website


{
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      {
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              "content": {
                "id": "CVE-2026-22318",
                "options": [
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                    "Technical Impact": "partial"
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                "role": "CISA Coordinator",
                "timestamp": "2026-03-18T13:40:21.762727Z",
                "version": "2.0.3"
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        "providerMetadata": {
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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        "title": "CISA ADP Vulnrichment"
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          "defaultStatus": "unaffected",
          "product": "FL SWITCH 2105",
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        {
          "defaultStatus": "unaffected",
          "product": "FL SWITCH 2108",
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              "version": "0.0.0",
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          "defaultStatus": "unaffected",
          "product": "FL SWITCH 2116",
          "vendor": "Phoenix Contact",
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              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
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          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL SWITCH 2204-2TC-2SFX",
          "vendor": "Phoenix Contact",
          "versions": [
            {
              "lessThan": "3.53",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL SWITCH 2205",
          "vendor": "Phoenix Contact",
          "versions": [
            {
              "lessThan": "3.53",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL SWITCH 2206-2FX",
          "vendor": "Phoenix Contact",
          "versions": [
            {
              "lessThan": "3.53",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL SWITCH 2206-2FX SM",
          "vendor": "Phoenix Contact",
          "versions": [
            {
              "lessThan": "3.53",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL SWITCH 2206-2FX SM ST",
          "vendor": "Phoenix Contact",
          "versions": [
            {
              "lessThan": "3.53",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL SWITCH 2206-2FX ST",
          "vendor": "Phoenix Contact",
          "versions": [
            {
              "lessThan": "3.53",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL SWITCH 2206-2SFX",
          "vendor": "Phoenix Contact",
          "versions": [
            {
              "lessThan": "3.53",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL SWITCH 2206-2SFX PN",
          "vendor": "Phoenix Contact",
          "versions": [
            {
              "lessThan": "3.53",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL SWITCH 2206C-2FX",
          "vendor": "Phoenix Contact",
          "versions": [
            {
              "lessThan": "3.53",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL SWITCH 2207-FX",
          "vendor": "Phoenix Contact",
          "versions": [
            {
              "lessThan": "3.53",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL SWITCH 2207-FX SM",
          "vendor": "Phoenix Contact",
          "versions": [
            {
              "lessThan": "3.53",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL SWITCH 2208",
          "vendor": "Phoenix Contact",
          "versions": [
            {
              "lessThan": "3.53",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL SWITCH 2208 PN",
          "vendor": "Phoenix Contact",
          "versions": [
            {
              "lessThan": "3.53",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL SWITCH 2208C",
          "vendor": "Phoenix Contact",
          "versions": [
            {
              "lessThan": "3.53",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL SWITCH 2212-2TC-2SFX",
          "vendor": "Phoenix Contact",
          "versions": [
            {
              "lessThan": "3.53",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL SWITCH 2214-2FX",
          "vendor": "Phoenix Contact",
          "versions": [
            {
              "lessThan": "3.53",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL SWITCH 2214-2FX SM",
          "vendor": "Phoenix Contact",
          "versions": [
            {
              "lessThan": "3.53",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL SWITCH 2214-2SFX",
          "vendor": "Phoenix Contact",
          "versions": [
            {
              "lessThan": "3.53",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL SWITCH 2214-2SFX PN",
          "vendor": "Phoenix Contact",
          "versions": [
            {
              "lessThan": "3.53",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL SWITCH 2216",
          "vendor": "Phoenix Contact",
          "versions": [
            {
              "lessThan": "3.53",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL SWITCH 2216 PN",
          "vendor": "Phoenix Contact",
          "versions": [
            {
              "lessThan": "3.53",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL SWITCH 2304-2GC-2SFP",
          "vendor": "Phoenix Contact",
          "versions": [
            {
              "lessThan": "3.53",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL SWITCH 2306-2SFP",
          "vendor": "Phoenix Contact",
          "versions": [
            {
              "lessThan": "3.53",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL SWITCH 2306-2SFP PN",
          "vendor": "Phoenix Contact",
          "versions": [
            {
              "lessThan": "3.53",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL SWITCH 2308",
          "vendor": "Phoenix Contact",
          "versions": [
            {
              "lessThan": "3.53",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL SWITCH 2308 PN",
          "vendor": "Phoenix Contact",
          "versions": [
            {
              "lessThan": "3.53",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL SWITCH 2312-2GC-2SFP",
          "vendor": "Phoenix Contact",
          "versions": [
            {
              "lessThan": "3.53",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL SWITCH 2314-2SFP",
          "vendor": "Phoenix Contact",
          "versions": [
            {
              "lessThan": "3.53",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL SWITCH 2314-2SFP PN",
          "vendor": "Phoenix Contact",
          "versions": [
            {
              "lessThan": "3.53",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL SWITCH 2316",
          "vendor": "Phoenix Contact",
          "versions": [
            {
              "lessThan": "3.53",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL SWITCH 2316 PN",
          "vendor": "Phoenix Contact",
          "versions": [
            {
              "lessThan": "3.53",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL SWITCH 2404-2TC-2SFX",
          "vendor": "Phoenix Contact",
          "versions": [
            {
              "lessThan": "3.53",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL SWITCH 2406-2SFX",
          "vendor": "Phoenix Contact",
          "versions": [
            {
              "lessThan": "3.53",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL SWITCH 2406-2SFX PN",
          "vendor": "Phoenix Contact",
          "versions": [
            {
              "lessThan": "3.53",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL SWITCH 2408",
          "vendor": "Phoenix Contact",
          "versions": [
            {
              "lessThan": "3.53",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL SWITCH 2408 PN",
          "vendor": "Phoenix Contact",
          "versions": [
            {
              "lessThan": "3.53",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL SWITCH 2412-2TC-2SFX",
          "vendor": "Phoenix Contact",
          "versions": [
            {
              "lessThan": "3.53",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL SWITCH 2414-2SFX",
          "vendor": "Phoenix Contact",
          "versions": [
            {
              "lessThan": "3.53",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL SWITCH 2414-2SFX PN",
          "vendor": "Phoenix Contact",
          "versions": [
            {
              "lessThan": "3.53",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL SWITCH 2416",
          "vendor": "Phoenix Contact",
          "versions": [
            {
              "lessThan": "3.53",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL SWITCH 2416 PN",
          "vendor": "Phoenix Contact",
          "versions": [
            {
              "lessThan": "3.53",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL SWITCH 2504-2GC-2SFP",
          "vendor": "Phoenix Contact",
          "versions": [
            {
              "lessThan": "3.53",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "FL SWITCH 2506-2SFP",
          "vendor": "Phoenix Contact",
          "versions": [
            {
              "lessThan": "3.53",
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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
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  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.


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