๐Ÿ” CVE Alert

CVE-2026-104381

UNKNOWN 0.0

Fireware OS Missing Authentication in FireCluster State Sync Allows BOVPN Tunnel Denial of Service

CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th

A missing authentication vulnerability in Fireware OS's FireCluster state synchronization feature allows an unauthenticated attacker positioned on the cluster synchronization network segment to force premature VPN tunnel termination by sending crafted cluster synchronization traffic.

CWE CWE-294 CWE-306 CWE-345
Vendor watchguard
Product fireware os
Published Oct 27, 2026
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Affected Versions

WatchGuard / Fireware OS
2025.1 < 2026.4 12.0 < 12.12.4
WatchGuard / Fireware OS
12.0 < 12.5.22

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
psirt.watchguard.com: https://psirt.watchguard.com/CVE-2026-104381

Credits

WatchGuard AI Security Research