CVE-2026-124577 (GCVE-0-2026-124577)

Vulnerability from cvelistv5 – Published: 2026-11-09 07:15 – Updated: 2026-11-09 07:15
VLAI
Title
Intelbras SG 2404 PoE L2+ Web Management EXCU_SHELL improper authentication
Summary
A weakness has been identified in Intelbras SG 2404 PoE L2+ 1.00.70/1.00.72. The affected element is an unknown function of the file /EXCU_SHELL of the component Web Management Interface. Executing a manipulation can lead to improper authentication. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks. Upgrading to version 1.00.74 is sufficient to fix this issue. Upgrading the affected component is advised.
CWE
  • CWE-287 - Improper Authentication
Assigner
VulDB CNA
References
URL Tags
https://vuldb.com/vuln/432923 vdb-entry
https://vuldb.com/vuln/432923/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-124577 third-party-advisory
https://vuldb.com/submit/1038184 third-party-advisory
Impacted products
Vendor Product Version
Intelbras SG 2404 PoE L2+ Affected: 1.00.70
Affected: 1.00.72
Unaffected: 1.00.74
    cpe:2.3:h:intelbras:sg_2404_poe_l2_:*:*:*:*:*:*:*:*
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Show details on NVD website

{
  "containers": {
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:h:intelbras:sg_2404_poe_l2_:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "Web Management Interface"
          ],
          "product": "SG 2404 PoE L2+",
          "vendor": "Intelbras",
          "versions": [
            {
              "status": "affected",
              "version": "1.00.70"
            },
            {
              "status": "affected",
              "version": "1.00.72"
            },
            {
              "status": "unaffected",
              "version": "1.00.74"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "JoasHS (VulDB User)"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "VulDB Vulnerability Moderation Team"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A weakness has been identified in Intelbras SG 2404 PoE L2+ 1.00.70/1.00.72. The affected element is an unknown function of the file /EXCU_SHELL of the component Web Management Interface. Executing a manipulation can lead to improper authentication. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks. Upgrading to version 1.00.74 is sufficient to fix this issue. Upgrading the affected component is advised."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 9.3,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P",
            "version": "4.0"
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        {
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            "baseSeverity": "CRITICAL",
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            "version": "3.1"
          }
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            "version": "3.0"
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        },
        {
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            "baseScore": 10,
            "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:OF/RC:C",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-287",
              "description": "Improper Authentication",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-11-09T07:15:16.393Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-432923 | Intelbras SG 2404 PoE L2+ Web Management EXCU_SHELL improper authentication",
          "tags": [
            "vdb-entry"
          ],
          "url": "https://vuldb.com/vuln/432923"
        },
        {
          "name": "VDB-432923 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/432923/cti"
        },
        {
          "name": "CVE-2026-124577 | CVE Analysis and Report",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/cve/CVE-2026-124577"
        },
        {
          "name": "Submit #1038184 | Intelbras SG 2404 PoE L2+ managed switch Firmware 1.00.70, 1.00.72 (hardware B1) Authentication bypass in web management interface allows unauthenticated execution of privileged CLI commands via /EXCU_SHELL",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/1038184"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-11-08T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
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          "lang": "en",
          "time": "2026-11-08T01:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-11-08T18:07:25.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "Intelbras SG 2404 PoE L2+ Web Management EXCU_SHELL improper authentication",
      "x_generator": [
        "VulDB PVTS v202611"
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-124577",
    "datePublished": "2026-11-09T07:15:16.393Z",
    "dateReserved": "2026-11-08T17:02:20.350Z",
    "dateUpdated": "2026-11-09T07:15:16.393Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}



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