CVE-2025-40604

Estado: AnalizadaCrítica (9.8)—

Download of Code Without Integrity Check Vulnerability in the SonicWall Email Security appliance loads root filesystem images without verifying signatures, allowing attackers with VMDK or datastore access to modify system files and gain persistent arbitrary code execution.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Puntuación base: 9.8

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.19%
Percentil entre todas las CVEs puntuadas: 8
Fecha de la puntuación: 6/10/2026

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).

🎯 Técnicas ATT&CK

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

ExplotaciónT1190 Exploit Public-Facing Applicationinitial access75 %
Impacto secundarioT1059 Command and Scripting Interpreterexecution80 %

Acceso remoto a red (AV:N, PR:N, UI:N) sin privilegios; CWE-494 es descarga sin verificación de integridad. El impacto principal es manipulación de actualización de firmware (T1195.002) con ejecución de código arbitrario persistente.

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 Vulnerability Scanning Restrict Web-Based Content Network Segmentation Limit Software Installation Limit Access to Resource Over Network

Tecnologías afectadas (5)

Sonicwall — Email Security Appliance 5000 Firmware Sonicwall — Email Security Appliance 5050 Firmware Sonicwall — Email Security Appliance 7000 Firmware Sonicwall — Email Security Appliance 7050 Firmware Sonicwall — Email Security Appliance 9000 Firmware

CWE

CWE-494

Referencias

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2025-0018

JSON original (NVD)

Mostrar

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