CVE-2017-6334

Estado: AnalizadaAlta (8.8)⚠ Explotación activa💥 Exploit

dnslookup.cgi on NETGEAR DGN2200 devices with firmware through 10.0.0.50 allows remote authenticated users to execute arbitrary OS commands via shell metacharacters in the host_name field of an HTTP POST request, a different vulnerability than CVE-2017-6077.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Puntuación base: 8.8

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 73%
Percentil entre todas las CVEs puntuadas: 99
Fecha de la puntuación: 7/10/2026

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).

CISA KEV — explotada activamente

Añadida al catálogo: 25/3/2022
Plazo de remediación: 15/4/2022
Uso conocido en ransomware: Unknown

💥 Exploits públicos

Hay código de explotación o plantillas de detección públicos. No es lo mismo que explotación activa confirmada (KEV), pero aumenta el riesgo: parchee con prioridad.

Módulo de Metasploit (exploit fiable y al alcance de cualquiera) · Netgear DGN2200 dnslookup.cgi Command Injection
Publicado en Exploit-DB · Netgear DGN2200 - 'dnslookup.cgi' Command Injection (Metasploit) (26/6/2017)
Publicado en Exploit-DB · Netgear DGN2200v1/v2/v3/v4 - Cross-Site Request Forgery (28/2/2017)
Publicado en Exploit-DB · Netgear DGN2200v1/v2/v3/v4 - 'dnslookup.cgi' Remote Command Execution (25/2/2017)

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

ExplotaciónT1210 Exploitation of Remote Serviceslateral movement85 %
Impacto principalT1059 Command and Scripting Interpreterexecution90 %
Impacto secundarioT1565.001 Stored Data Manipulationimpact60 %

Vulnerabilidad de inyección de comandos (CWE-78) en servicio web remoto autenticado (PR:L, AV:N) que permite ejecución arbitraria de OS commands. Explotación post-autenticación de servicio remoto (T1210) con impacto directo en ejecución de comandos (T1059).

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Privileged Account Management Disable or Remove Feature or Program Vulnerability Scanning Threat Intelligence Program Restrict Web-Based Content Restrict File and Directory Permissions

Tecnologías afectadas (1)

Netgear — Dgn2200 Series Firmware

CWE

CWE-78
CWE-78

Referencias

JSON original (NVD)

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