CVE-2025-63409

Estado: ModificadaAlta (8.8)—

Privilege escalation and improper access control in GCOM EPON 1GE C00R371V00B01 allows remote authenticated users to modify administrator only settings and extract administrator credentials.

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: 0.29%
Percentil entre todas las CVEs puntuadas: 19
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 movement85 %
Impacto principalT1068 Exploitation for Privilege Escalationprivilege escalation90 %
Impacto secundarioT1078 Valid Accountsstealth · persistence · privilege escalation · initial access85 %
Impacto secundarioT1552.007 Container APIcredential access80 %

CVE remota que requiere autenticación (PR:L) afecta a dispositivo EPON. Permite escalada de privilegios (C:H/I:H/A:H) mediante modificación de configuración de admin y extracción de credenciales (CWE-284: improper access control).

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 User Account Management Threat Intelligence Program Network Segmentation Application Isolation and Sandboxing Exploit Protection

Tecnologías afectadas (1)

Gcomtw — Gcom Epon 1GE Firmware

CWE

CWE-284

Referencias

https://github.com/theShinigami/CVE-Disclosures/tree/main/CVE-2025-63409

JSON original (NVD)

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