CVE-2025-53844 (GCVE-0-2025-53844)
Vulnerability from cvelistv5
Published
2026-05-12 16:54
Modified
2026-08-11 12:23
Severity ?
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
CWE
  • CWE-787 - Execute unauthorized code or commands
Summary
A out-of-bounds write vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2.0 through 7.2.11 allows attacker to execute unauthorized code or commands via specially crafted packets.
References
Impacted products
Vendor Product Version
Fortinet FortiOS Version: 7.6.0   ≤ 7.6.3
Version: 7.4.0   ≤ 7.4.8
Version: 7.2.0   ≤ 7.2.11
Version: 7.0.0   ≤ 7.0.17
Version: 6.4.0   ≤ 6.4.16
Version: 6.2.0   ≤ 6.2.17
Version: 6.0.0   ≤ 6.0.18
    cpe:2.3:o:fortinet:fortios:7.6.3:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.6.2:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.6.1:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.6.0:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.4.8:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.4.7:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.4.6:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.4.5:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.4.4:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.4.3:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.4.2:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.4.1:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.4.0:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.2.11:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.2.10:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.2.9:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.2.8:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.2.7:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.2.6:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.2.5:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.2.4:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.2.3:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.2.2:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.2.1:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.2.0:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.0.17:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.0.16:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.0.15:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.0.14:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.0.13:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.0.12:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.0.11:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.0.10:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.0.9:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.0.8:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.0.7:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.0.6:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.0.5:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.0.4:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.0.3:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.0.2:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.0.1:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.0.0:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.4.16:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.4.15:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.4.14:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.4.13:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.4.12:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.4.11:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.4.10:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.4.9:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.4.8:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.4.7:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.4.6:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.4.5:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.4.4:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.4.3:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.4.2:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.4.1:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.4.0:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.2.17:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.2.16:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.2.15:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.2.14:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.2.13:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.2.12:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.2.11:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.2.10:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.2.9:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.2.8:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.2.7:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.2.6:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.2.5:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.2.4:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.2.3:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.2.2:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.2.1:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.2.0:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.0.18:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.0.17:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.0.16:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.0.15:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.0.14:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.0.13:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.0.12:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.0.11:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.0.10:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.0.9:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.0.8:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.0.7:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.0.6:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.0.5:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.0.4:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.0.3:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.0.2:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.0.1:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.0.0:*:*:*:*:*:*:*
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          "product": "FortiOS",
          "vendor": "Fortinet",
          "versions": [
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              "lessThanOrEqual": "7.6.3",
              "status": "affected",
              "version": "7.6.0",
              "versionType": "semver"
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              "status": "affected",
              "version": "6.2.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.0.18",
              "status": "affected",
              "version": "6.0.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A out-of-bounds write vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2.0 through 7.2.11 allows attacker to execute unauthorized code or commands via specially crafted packets."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.3,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-787",
              "description": "Execute unauthorized code or commands",
              "lang": "en",
              "type": "CWE"
            }
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      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-08T12:54:35.692Z",
        "orgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
        "shortName": "fortinet"
      },
      "references": [
        {
          "name": "https://fortiguard.fortinet.com/psirt/FG-IR-26-123",
          "url": "https://fortiguard.fortinet.com/psirt/FG-IR-26-123"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade to FortiOS version 7.6.4 or above\nUpgrade to FortiOS version 7.4.9 or above\nUpgrade to FortiOS version 7.2.12 or above\nUpgrade to FortiOS version 7.0.18 or above\nFortinet remediated this issue in FortiSASE version 25.3.a and hence customers do not need to perform any action.\nUpgrade to FortiSwitchManager version 7.2.7 or above\nUpgrade to FortiSwitchManager version 7.0.6 or above\nFortinet remediated this issue in FortiEdgeCloud version 25.3 and hence customers do not need to perform any action."
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
    "assignerShortName": "fortinet",
    "cveId": "CVE-2025-53844",
    "datePublished": "2026-05-12T16:54:10.126Z",
    "dateReserved": "2025-07-10T08:53:33.015Z",
    "dateUpdated": "2026-08-11T12:23:08.810Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "vulnrichment": {
      "containers": "{\"adp\": [{\"affected\": [{\"vendor\": \"Siemens\", \"product\": \"RUGGEDCOM APE1808\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"*\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unknown\"}], \"x_adpType\": \"supplier\", \"references\": [{\"url\": \"https://cert-portal.siemens.com/productcert/html/ssa-864900.html\"}], \"providerMetadata\": {\"orgId\": \"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e\", \"shortName\": \"siemens-SADP\", \"dateUpdated\": \"2026-08-11T12:23:08.810Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2025-53844\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-05-12T19:00:04.664017Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-05-12T19:02:24.868Z\"}}], \"cna\": {\"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 8.3, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"HIGH\"}}], \"affected\": [{\"cpes\": [\"cpe:2.3:o:fortinet:fortios:7.6.3:*:*:*:*:*:*:*\", \"cpe:2.3:o:fortinet:fortios:7.6.2:*:*:*:*:*:*:*\", \"cpe:2.3:o:fortinet:fortios:7.6.1:*:*:*:*:*:*:*\", \"cpe:2.3:o:fortinet:fortios:7.6.0:*:*:*:*:*:*:*\", \"cpe:2.3:o:fortinet:fortios:7.4.8:*:*:*:*:*:*:*\", \"cpe:2.3:o:fortinet:fortios:7.4.7:*:*:*:*:*:*:*\", \"cpe:2.3:o:fortinet:fortios:7.4.6:*:*:*:*:*:*:*\", \"cpe:2.3:o:fortinet:fortios:7.4.5:*:*:*:*:*:*:*\", 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\"version\": \"7.2.0\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"7.2.11\"}, {\"status\": \"affected\", \"version\": \"7.0.0\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"7.0.17\"}, {\"status\": \"affected\", \"version\": \"6.4.0\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.4.16\"}, {\"status\": \"affected\", \"version\": \"6.2.0\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.2.17\"}, {\"status\": \"affected\", \"version\": \"6.0.0\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.0.18\"}], \"defaultStatus\": \"unaffected\"}], \"solutions\": [{\"lang\": \"en\", \"value\": \"Upgrade to FortiOS version 7.6.4 or above\\nUpgrade to FortiOS version 7.4.9 or above\\nUpgrade to FortiOS version 7.2.12 or above\\nUpgrade to FortiOS version 7.0.18 or above\\nFortinet remediated this issue in FortiSASE version 25.3.a and hence customers do not need to perform any action.\\nUpgrade to FortiSwitchManager version 7.2.7 or above\\nUpgrade to FortiSwitchManager version 7.0.6 or above\\nFortinet remediated this issue in FortiEdgeCloud version 25.3 and hence customers do not need to perform any action.\"}], \"references\": [{\"url\": \"https://fortiguard.fortinet.com/psirt/FG-IR-26-123\", \"name\": \"https://fortiguard.fortinet.com/psirt/FG-IR-26-123\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A out-of-bounds write vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2.0 through 7.2.11 allows attacker to execute unauthorized code or commands via specially crafted packets.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-787\", \"description\": \"Execute unauthorized code or commands\"}]}], \"providerMetadata\": {\"orgId\": \"6abe59d8-c742-4dff-8ce8-9b0ca1073da8\", \"shortName\": \"fortinet\", \"dateUpdated\": \"2026-07-08T12:54:35.692Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2025-53844\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-08-11T12:23:08.810Z\", \"dateReserved\": \"2025-07-10T08:53:33.015Z\", \"assignerOrgId\": \"6abe59d8-c742-4dff-8ce8-9b0ca1073da8\", \"datePublished\": \"2026-05-12T16:54:10.126Z\", \"assignerShortName\": \"fortinet\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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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.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • 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.