CVE-2024-46316

Status: AnalyzedHigh (8)—

DrayTek Vigor3900 v1.5.1.6 was discovered to contain a command injection vulnerability via the sub_2C920 function at /cgi-bin/mainfunction.cgi. This vulnerability allows attackers to execute arbitrary commands via supplying a crafted HTTP message.

CVSS

Version: 3.1
Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base score: 8

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 1.12%
Percentile among all scored CVEs: 65
Score date: 10/7/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

🎯 ATT&CK techniques

How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.

ExploitationT1210 Exploitation of Remote Serviceslateral movement85 %
Primary impactT1059 Command and Scripting Interpreterexecution90 %

AV:A y PR:L indican acceso remoto en red adyacente con privilegios locales. La inyección de comandos (CWE-78) en /cgi-bin permite ejecución arbitraria de comandos.

Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.

🛡️ ATT&CK mitigations that cover these techniques

Privileged Account Management Disable or Remove Feature or Program Vulnerability Scanning Threat Intelligence Program Restrict Web-Based Content Network Segmentation

Affected technologies (1)

Draytek — Vigor3900 Firmware

CWEs

CWE-78

References

https://github.com/glkfc/IoT-Vulnerability/blob/main/DaryTek/vigor3900_4.md

Raw JSON (NVD)

Show

{
  "id": "CVE-2024-46316",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-46316",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-10-09T18:16:49.802172Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8,
          "attackVector": "ADJACENT_NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.1
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:o:draytek:vigor3900_firmware:1.5.1.6:*:*:*:*:*:*:*"
          ],
          "vendor": "draytek",
          "product": "vigor3900_firmware",
          "versions": [
            {
              "status": "affected",
              "version": "1.5.1.6"
            }
          ],
          "defaultStatus": "unknown"
        }
      ]
    }
  ],
  "published": "2024-10-09T16:15:04.487",
  "references": [
    {
      "url": "https://github.com/glkfc/IoT-Vulnerability/blob/main/DaryTek/vigor3900_4.md",
      "tags": [
        "Broken Link"
      ],
      "source": "cve@mitre.org"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
        {
          "lang": "en",
          "value": "CWE-78"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "DrayTek Vigor3900 v1.5.1.6 was discovered to contain a command injection vulnerability via the sub_2C920 function at /cgi-bin/mainfunction.cgi. This vulnerability allows attackers to execute arbitrary commands via supplying a crafted HTTP message."
    },
    {
      "lang": "es",
      "value": "Se descubrió que DrayTek Vigor3900 v1.5.1.6 contiene una vulnerabilidad de inyección de comandos a través de la función sub_2C920 en /cgi-bin/mainfunction.cgi. Esta vulnerabilidad permite a los atacantes ejecutar comandos arbitrarios mediante el suministro de un mensaje HTTP manipulado."
    }
  ],
  "lastModified": "2026-06-17T07:55:16.667",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:draytek:vigor3900_firmware:1.5.1.6:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D6A9DA50-EDEE-4B21-83BC-6689A19297B7"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:draytek:vigor3900:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "FEECFBBC-5551-4135-9194-4216A39B04B9"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}