CVE-2026-4266highCWE-502

CVE-2026-4266: falha de alta gravidade em WatchGuard Fireware OS

WatchGuard Firebox Insecure Deserialization in Fireware Access Portal

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21Vexday Risk Score

Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.

ssvc Trackcvss 8.4epss 0.3%
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
Produtos afetados
WatchGuard · Fireware OS
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