Security Advisory

CVE-2026-3987

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-04-01 21:32:30

Last updated 2026-04-03 03:55:30

Assigner WatchGuard

State PUBLISHED

Description

A path traversal vulnerability in the Fireware OS Web UI on WatchGuard Firebox systems may allow a privileged authenticated remote attacker to execute arbitrary code in the context of an elevated system process.This issue affects Fireware OS 12.6.1 up to and including 12.11.8 and 2025.1 up to and including 2026.1.2.

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