CVE-2026-13084

Null Pointer Dereference in WatchGuard Fireware OS iked Process

Published: Jul 2, 2026Updated: Aug 28, 2026 Sources: CVE List NVDCWE-476

7.5HIGH

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

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:NConfidentiality

None

I:NIntegrity

None

A:HAvailability

High

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Weaknesses

CWE-476

Affected Products

WatchGuard

commercial·US

Fireware OS

Networking Infrastructure

fireware

Networking Infrastructure

Exploitability

0 exploit sources identified

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Official Patch Available

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques

Impact

Initial Access

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References

https://psirt.watchguard.com/CVE-2026-13084

psirt.watchguard.com

https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00024

watchguard.com

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