CVE-2026-93866criticalCWE-190CWE-288CWE-787

CVE-2026-93866: falha crítica em WatchGuard Fireware OS

Fireware OS Pre-Authentication Integer Overflow in Access Portal Allows Out-of-Bounds Write

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28Vexday Risk Score

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

ssvc Trackcvss 9.2epss 0.5%
An integer overflow vulnerability in the WebSocket connection handling used by WatchGuard Fireware OS's Access Portal allows a remote, unauthenticated attacker to write beyond the bounds of a heap buffer by sending a specially crafted request while the Access Portal feature is enabled.
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Produtos afetados
WatchGuard · Fireware OS
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