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CVE-2021-43118

Estado: ModificadaCrítica (9.8)—

A Remote Command Injection vulnerability exists in DrayTek Vigor 2960 1.5.1.3, DrayTek Vigor 3900 1.5.1.3, and DrayTek Vigor 300B 1.5.1.3 via a crafted HTTP message containing malformed QUERY STRING in mainfunction.cgi, which could let a remote malicious user execute arbitrary code.

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 (3)

CWE

Referencias

JSON original (NVD)

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          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
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          "versions": [
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  "published": "2022-03-29T20:15:07.733",
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      "value": "A Remote Command Injection vulnerability exists in DrayTek Vigor 2960 1.5.1.3, DrayTek Vigor 3900 1.5.1.3, and DrayTek Vigor 300B 1.5.1.3 via a crafted HTTP message containing malformed QUERY STRING in mainfunction.cgi, which could let a remote malicious user execute arbitrary code."
    },
    {
      "lang": "es",
      "value": "Se presenta una vulnerabilidad de Inyección de Comando Remoto en DrayTek Vigor 2960 versión 1.5.1.3, DrayTek Vigor 3900 versión 1.5.1.3, y DrayTek Vigor 300B versión 1.5.1.3, por medio de un mensaje HTTP diseñado que contiene una cadena de consulta malformada en el archivo mainfunction.cgi, que podría permitir a un usuario remoto malicioso ejecutar código arbitrario"
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  ],
  "lastModified": "2026-06-17T04:10:32.177",
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