CVE-2026-13084

HIGH

Null Pointer Dereference in WatchGuard Fireware OS iked Process

Title source: cna
STIX 2.1

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

References (1)

Core 1
Core References

Scores

CVSS v4 8.7
EPSS 0.0050
EPSS Percentile 39.7%
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-476
Status published
Products (4)
WatchGuard/Fireware OS 11.10.2 - 11.12.4+541730
WatchGuard/Fireware OS 12.0 - 12.12
WatchGuard/Fireware OS 12.5 - 12.5.18
WatchGuard/Fireware OS 2025.1 - 2026.2
Published Jul 03, 2026
Tracked Since Jul 03, 2026