FKIE_CVE-2026-11406

Vulnerability from fkie_nvd - Published: 2026-06-06 10:16 - Updated: 2026-07-23 07:10
Severity
6.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Summary
A vulnerability was determined in GL.iNet MT3000 up to 4.4.5. This vulnerability affects unknown code of the file ovpnclient.sh of the component OpenVPN Client Import Workflow. This manipulation causes command injection. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized. Upgrading to version 4.9.0_beta3-1012-0513-1778656146 is able to resolve this issue. You should upgrade the affected component. The vendor confirms: "This issue has been addressed by implementing malicious checks on OpenVPN configuration files to prevent command injection attacks carried through malicious configuration files."
References
cna@vuldb.comhttps://fw.gl-inet.cn/firmware/mt3000/testing/mt3000-4.9.0_beta3-1012-0513-1778656146.tar
cna@vuldb.comhttps://github.com/StrTzz123/iot_vul/tree/main/GL-iNet/MT3000/4.4.5/ovpn_client_import
cna@vuldb.comhttps://vuldb.com/cve/CVE-2026-11406
cna@vuldb.comhttps://vuldb.com/submit/820049
cna@vuldb.comhttps://vuldb.com/vuln/368966
cna@vuldb.comhttps://vuldb.com/vuln/368966/cti
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:o:gl-inet:mt3000_firmware:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "OpenVPN Client Import Workflow"
          ],
          "product": "MT3000",
          "vendor": "GL.iNet",
          "versions": [
            {
              "status": "affected",
              "version": "4.4.0"
            },
            {
              "status": "affected",
              "version": "4.4.1"
            },
            {
              "status": "affected",
              "version": "4.4.2"
            },
            {
              "status": "affected",
              "version": "4.4.3"
            },
            {
              "status": "affected",
              "version": "4.4.4"
            },
            {
              "status": "affected",
              "version": "4.4.5"
            },
            {
              "status": "unaffected",
              "version": "4.9.0_beta3-1012-0513-1778656146"
            }
          ]
        }
      ],
      "source": "cna@vuldb.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability was determined in GL.iNet MT3000 up to 4.4.5. This vulnerability affects unknown code of the file ovpnclient.sh of the component OpenVPN Client Import Workflow. This manipulation causes command injection. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized. Upgrading to version 4.9.0_beta3-1012-0513-1778656146 is able to resolve this issue. You should upgrade the affected component. The vendor confirms: \"This issue has been addressed by implementing malicious checks on OpenVPN configuration files to prevent command injection attacks carried through malicious configuration files.\""
    },
    {
      "lang": "es",
      "value": "Se determin\u00f3 una vulnerabilidad en GL.iNet MT3000 hasta 4.4.5. Esta vulnerabilidad afecta c\u00f3digo desconocido del archivo ovpnclient.sh del componente Flujo de Trabajo de Importaci\u00f3n de Cliente OpenVPN. Esta manipulaci\u00f3n provoca inyecci\u00f3n de comandos. Es posible la explotaci\u00f3n remota del ataque. El exploit ha sido divulgado p\u00fablicamente y puede ser utilizado. La actualizaci\u00f3n a la versi\u00f3n 4.9.0_beta3-1012-0513-1778656146 puede resolver este problema. Deber\u00eda actualizar el componente afectado. El proveedor confirma: \u0027Este problema ha sido abordado mediante la implementaci\u00f3n de comprobaciones maliciosas en los archivos de configuraci\u00f3n de OpenVPN para prevenir ataques de inyecci\u00f3n de comandos realizados a trav\u00e9s de archivos de configuraci\u00f3n maliciosos.\u0027"
    }
  ],
  "id": "CVE-2026-11406",
  "lastModified": "2026-07-23T07:10:00.113",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "SINGLE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.0,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "cna@vuldb.com",
        "type": "Secondary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 6.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.4,
        "source": "cna@vuldb.com",
        "type": "Secondary"
      }
    ],
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 2.1,
          "baseSeverity": "LOW",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "PROOF_OF_CONCEPT",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "LOW",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "version": "4.0",
          "vulnAvailabilityImpact": "LOW",
          "vulnConfidentialityImpact": "LOW",
          "vulnIntegrityImpact": "LOW",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "cna@vuldb.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-11406",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-06-08T16:27:49.061711Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-06-06T10:16:27.017",
  "references": [
    {
      "source": "cna@vuldb.com",
      "url": "https://fw.gl-inet.cn/firmware/mt3000/testing/mt3000-4.9.0_beta3-1012-0513-1778656146.tar"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://github.com/StrTzz123/iot_vul/tree/main/GL-iNet/MT3000/4.4.5/ovpn_client_import"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/cve/CVE-2026-11406"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/submit/820049"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/368966"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/368966/cti"
    }
  ],
  "sourceIdentifier": "cna@vuldb.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-74"
        },
        {
          "lang": "en",
          "value": "CWE-77"
        }
      ],
      "source": "cna@vuldb.com",
      "type": "Secondary"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.