CVE-2025-26350

Estado: AnalizadaAlta (8.8)—

A CWE-434 "Unrestricted Upload of File with Dangerous Type" in the template file uploads in Q-Free MaxTime less than or equal to version 2.11.0 allows an authenticated remote attacker to upload malicious files via crafted HTTP requests.

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: 0.88%
Percentil entre todas las CVEs puntuadas: 58
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.

ExplotaciónT1210 Exploitation of Remote Serviceslateral movement90 %
Impacto principalT1505.003 Web Shellpersistence85 %
Impacto secundarioT1068 Exploitation for Privilege Escalationprivilege escalation75 %

CWE-434 permite carga de archivos peligrosos en servidor remoto con autenticación (PR:L). Impacto: web shell en template; escalada a admin si MaxTime corre con privilegios elevados.

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

Threat Intelligence Program Disable or Remove Feature or Program Application Isolation and Sandboxing Exploit Protection Update Software Vulnerability Scanning

Tecnologías afectadas (1)

Q-free — Maxtime

CWE

CWE-434

Referencias

https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2025-26350

JSON original (NVD)

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