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OpenAdvisories
Critical · 9.2 CVE-2026-93865 EUVD-2026-111162GHSA-8j2v-r9q7-whr5

Fireware OS Missing Authentication in FireCluster Sync Daemon Allows Remote Root Action Injection

Published Oct 27, 2026 · Updated Oct 29, 2026 · Assigned by WatchGuard

Description

A missing authentication vulnerability in the Fireware OS FireCluster synchronization daemon allows a remote, unauthenticated attacker to invoke privileged system-level administrative actions by sending a specially crafted request to the FireCluster management IP when the clustering feature is enabled.

Affected products

VendorProductAffectedFixed
WatchGuard Fireware OS 2025.1 – < 2026.4, 12.0 – < 12.12.4, 12.0 – < 12.5.22 2026.4

Advisories 1

References