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CVE-2026-5355

Estado: AnalizadaBaja (2.1)—

A vulnerability has been found in Trendnet TEW-657BRM 1.00.1. Affected by this issue is the function vpn_drop of the file /setup.cgi. The manipulation of the argument policy_name leads to os command injection. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may 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.

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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

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Trendnet — Tew-657brm Firmware

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2026-5355",
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      "sourceIdentifier": "cna@vuldb.com"
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          "valueDensity": "NOT_DEFINED",
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          "exploitMaturity": "PROOF_OF_CONCEPT",
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          "modifiedAttackVector": "NOT_DEFINED",
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          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
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  "references": [
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      "url": "https://github.com/panda666-888/vuls/blob/main/trendnet/tew-657brm/vpn_drop.md",
      "tags": [
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        "Third Party Advisory"
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      "source": "cna@vuldb.com"
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      "tags": [
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        "VDB Entry"
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      "source": "cna@vuldb.com"
    },
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      "tags": [
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        "VDB Entry"
      ],
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/vuln/354708/cti",
      "tags": [
        "Permissions Required",
        "VDB Entry"
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      "source": "cna@vuldb.com"
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  "weaknesses": [
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      "source": "cna@vuldb.com",
      "description": [
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          "value": "CWE-77"
        },
        {
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          "value": "CWE-78"
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    }
  ],
  "descriptions": [
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      "lang": "en",
      "value": "A vulnerability has been found in Trendnet TEW-657BRM 1.00.1. Affected by this issue is the function vpn_drop of the file /setup.cgi. The manipulation of the argument policy_name leads to os command injection. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may 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."
    },
    {
      "lang": "es",
      "value": "Se ha encontrado una vulnerabilidad en Trendnet TEW-657BRM 1.00.1. Afectada por este problema es la función vpn_drop del archivo /setup.cgi. La manipulación del argumento policy_name conduce a inyección de comandos del sistema operativo. El ataque es posible de llevar a cabo de forma remota. El exploit ha sido divulgado al público y puede ser utilizado. El proveedor confirma que '[e]l 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": "2026-07-24T20:10:00.147",
  "configurations": [
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  "sourceIdentifier": "cna@vuldb.com"
}