high7.5
CVE-2026-13084
A null pointer dereference vulnerability in WatchGuard Fireware OS may allow a remote unauthenticated attacker to create a denial-of-service (DoS) condition by…
Impact
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 products
| Vendor | Product | Affected versions |
|---|---|---|
| Watchguard | Fireware | from 12.5 before 12.5.19 from 11.0.0 before 11.12.4 from 12.0 before 12.12.1 from 2025.1 before 2026.2.1 Version 11.12.4 |