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CVE-2026-9401

Status: DeferredHigh (7.4)—

A vulnerability has been found in Edimax BR-6675nD 1.12. Impacted is the function formWanTcpipSetup of the file /goform/formWanTcpipSetup of the component POST Request Handler. The manipulation of the argument pppUserName leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS

Exploitation probability (EPSS)

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.

Buffer overflow en parámetro POST remoto (CWE-119/120) con acceso autenticado (PR:L) en servicio de dispositivo Edimax. Permite ejecución de código remoto.

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 ManagementDisable or Remove Feature or ProgramVulnerability ScanningThreat Intelligence ProgramRestrict Web-Based ContentNetwork Segmentation

Affected technologies (1)

⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.

Edimax — Br-6675ndAI

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2026-9401",
  "cveTags": [],
  "metrics": {
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          "options": [
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        "obtainAllPrivilege": false,
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        "obtainUserPrivilege": false,
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    "cvssMetricV31": [
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          "valueDensity": "NOT_DEFINED",
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  },
  "affected": [
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      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:edimax:br-6675nd:*:*:*:*:*:*:*:*"
          ],
          "vendor": "Edimax",
          "modules": [
            "POST Request Handler"
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          "product": "BR-6675nD",
          "versions": [
            {
              "status": "affected",
              "version": "1.12"
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  "published": "2026-05-24T23:16:58.070",
  "references": [
    {
      "url": "https://lavender-bicycle-a5a.notion.site/EDIMAX-BR-6675nD-formWanTcpipSetup-34b53a41781f8020ab30c8ca204ab15d?source=copy_link",
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    {
      "url": "https://vuldb.com/submit/811563",
      "source": "cna@vuldb.com"
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    {
      "url": "https://vuldb.com/vuln/365382",
      "source": "cna@vuldb.com"
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      "url": "https://vuldb.com/vuln/365382/cti",
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          "value": "CWE-119"
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          "value": "CWE-120"
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      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability has been found in Edimax BR-6675nD 1.12. Impacted is the function formWanTcpipSetup of the file /goform/formWanTcpipSetup of the component POST Request Handler. The manipulation of the argument pppUserName leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad ha sido encontrada en Edimax BR-6675nD 1.12. Afectada está la función formWanTcpipSetup del archivo /goform/formWanTcpipSetup del componente Gestor de Solicitudes POST. La manipulación del argumento pppUserName conduce a un desbordamiento de búfer. El ataque puede ser iniciado remotamente. El exploit ha sido divulgado al público y puede ser utilizado. El proveedor fue contactado con antelación sobre esta divulgación pero no respondió de ninguna manera."
    }
  ],
  "lastModified": "2026-07-23T11:10:00.120",
  "sourceIdentifier": "cna@vuldb.com"
}