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Vulnerabilities

CVE-2026-104381 | BDVDB-2026-396321 Detail

WatchGuardFireware OS

Description#

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.

Impact#

Per CVSS v4.0: confidentiality impact none, integrity impact low, availability impact high. Attack vector: adjacent.

Weaknesses#

  • CWE-294 Authentication Bypass by Capture-replay
  • CWE-306 Missing Authentication for Critical Function
  • CWE-345

References#

Exploit#

No public exploit known

History#

  1. Version 1Record published in the CVE List.
  2. Version 2Most recent update recorded in the CVE List.