CVE-2026-13084

Summary

A null pointer dereference vulnerability in WatchGuard Fireware OS may allow a remote unauthenticated attacker to create a denial-of-service (DoS) condition by sending specially crafted IKEv2 messages. This vulnerability affects both the Mobile User VPN with IKEv2 and the Branch Office VPN using IKEv2 when configured with a dynamic gateway peer.

This vulnerability affects Fireware OS 11.10.2 up to and including 11.12.4_Update1, 12.0 up to and including 12.12 and 2025.1 up to and including 2026.2

Affected Software

VendorProductVersion RangeStatus
WatchGuardFireware OS11.10.2 <= 11.12.4+541730affected
WatchGuardFireware OS12.0 <= 12.12affected
WatchGuardFireware OS12.5 <= 12.5.18affected
WatchGuardFireware OS2025.1 <= 2026.2affected

Weaknesses

  • CWE-476: CWE-476 NULL Pointer Dereference

References