← volver
CVE-2026-4266highCWE-502

WatchGuard Firebox Insecure Deserialization in Fireware Access Portal

21Vexday Risk Score

Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.

ssvc Trackcvss 8.4epss 0.3%
probabilidad de explotación
0.3%top 80% de las CVE
explotación observada
noninguna fuente lo reporta
An Insecure Deserialization vulnerability in WatchGuard Fireware OS allows an attacker that has obtained write access to the local filesystem through another vulnerability to execute arbitrary code in the context of the portald user. Note, this vulnerability does not affect Firebox platforms that do not support the Access Portal feature, including the T15 and T35.
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Productos afectados
WatchGuard · Fireware OS