CVE-2026-13084
Null Pointer Dereference in WatchGuard Fireware OS iked Process
Description
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
INFO
Published Date :
July 2, 2026, 11:06 p.m.
Last Modified :
July 2, 2026, 11:06 p.m.
Remotely Exploit :
Yes !
Source :
WatchGuard
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | HIGH | 5d1c2695-1a31-4499-88ae-e847036fd7e3 |
Solution
- Update to a patched version of Fireware OS.
- Disable dynamic gateway peer if IKEv2 is used.
- Disable Mobile User VPN with IKEv2.
- Disable Branch Office VPN using IKEv2.
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