Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

CVE-2026-12187

Gravedad CVSS v4.0:
ALTA
Tipo:
CWE-74 Neutralización incorrecta de elementos especiales en la salida utilizada por un componente interno (Inyección)
Fecha de publicación:
14/06/2026
Última modificación:
14/06/2026

Descripción

*** Pendiente de traducción *** A security vulnerability has been detected in GL.iNet GL-MT3000 up to 4.4.5. Affected by this vulnerability is an unknown functionality of the file /usr/bin/one_click_upgrade of the component Online Firmware Upgrade Handler. Such manipulation leads to command injection. The attack can be launched remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 4.7 addresses this issue. Upgrading the affected component is advised. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

Impacto

Puntuación base 4.0
7.40
Gravedad 4.0
ALTA
Puntuación base 3.x
8.80
Gravedad 3.x
ALTA
Puntuación base 2.0
9.00
Gravedad 2.0
ALTA