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

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Thu, 02 Jul 2026 23:30:00 +0000

Type Values Removed Values Added
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
Title Null Pointer Dereference in WatchGuard Fireware OS iked Process
First Time appeared Watchguard
Watchguard fireware Os
Weaknesses CWE-476
CPEs cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:11.10.2
cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:12.0
cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:12.5
cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:2025.1
Vendors & Products Watchguard
Watchguard fireware Os
References
Metrics cvssV4_0

{'score': 8.7, 'vector': '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'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: WatchGuard

Published:

Updated: 2026-07-02T23:06:48.043Z

Reserved: 2026-06-23T18:29:23.985Z

Link: CVE-2026-13084

cve-icon Vulnrichment

No data.

cve-icon NVD

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cve-icon Redhat

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cve-icon OpenCVE Enrichment

Updated: 2026-07-03T03:00:06Z

Weaknesses