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CVE-2026-5349

Status: AnalyzedHigh (7.4)—

A vulnerability was identified in Trendnet TEW-657BRM 1.00.1. The affected element is the function add_apcdb of the file /setup.cgi. The manipulation of the argument mac_pc_dba leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit is publicly available and might be used. The vendor confirms, that "[t]he product in question (...) has been discontinued and end of life since June 23, 2011, that is more than 14 years ago. We no longer provide support for this product, so we are not able to confirm the vulnerabilities. We will make an announcement on our website's product support page and notify customers who registered their products with us." This vulnerability only affects products that are no longer supported by the maintainer.

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.

Vector CVSS indica acceso remoto con PR:L (requiere autenticación). Stack-based buffer overflow en /setup.cgi típicamente permite ejecución de código. T1210 por red + privilegios; T1059 como impacto de la ejecución lograda.

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)

Trendnet — Tew-657brm Firmware

CWEs

References

Raw JSON (NVD)

Show
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      "value": "A vulnerability was identified in Trendnet TEW-657BRM 1.00.1. The affected element is the function add_apcdb of the file /setup.cgi. The manipulation of the argument mac_pc_dba leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit is publicly available and might be used. The vendor confirms, that \"[t]he product in question (...) has been discontinued and end of life since June 23, 2011, that is more than 14 years ago. We no longer provide support for this product, so we are not able to confirm the vulnerabilities. We will make an announcement on our website's product support page and notify customers who registered their products with us.\" This vulnerability only affects products that are no longer supported by the maintainer."
    },
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      "lang": "es",
      "value": "Una vulnerabilidad fue identificada en Trendnet TEW-657BRM 1.00.1. El elemento afectado es la función add_apcdb del archivo /setup.cgi. La manipulación del argumento mac_pc_dba conduce a un desbordamiento de búfer basado en pila. El ataque puede ser iniciado remotamente. El exploit está disponible públicamente y podría ser utilizado. El proveedor confirma que 'El producto en cuestión (...) ha sido descontinuado y ha llegado al fin de su vida útil desde el 23 de junio de 2011, es decir, hace más de 14 años. Ya no ofrecemos soporte para este producto, por lo que no podemos confirmar las vulnerabilidades. Haremos un anuncio en la página de soporte de productos de nuestro sitio web y notificaremos a los clientes que registraron sus productos con nosotros.' Esta vulnerabilidad solo afecta a productos que ya no son compatibles con el mantenedor."
    }
  ],
  "lastModified": "2026-07-24T21:10:00.143",
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