CVE-2026-93862 | BDVDB-2026-396286 Detail
WatchGuardFireware OS
Description#
An out-of-bounds read vulnerability in the FireCluster Sync processing allows an attacker positioned on the cluster interconnect, such as a compromised cluster peer or an on-path network attacker, to repeatedly crash the firewall's cluster synchronization process by sending specially crafted network traffic, resulting in a sustained denial of service.
Impact#
Per CVSS v4.0: confidentiality impact low, integrity impact low, availability impact high. Attack vector: adjacent.
Weaknesses#
References#
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.