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CVE-2026-13084: CWE-476 in WatchGuard Fireware OS

0
High
VulnerabilityCVE-2026-13084gcveosvghsa-w44g-4gmf-m2wwcve-2026-13084ghsacwe-476
Published: 07/02/2026 (07/02/2026, 23:06:48 UTC)
Source: GCVE Database
Vendor/Project: WatchGuard
Product: Fireware OS

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

CVSS v4.0

Score 8.7high

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Vuln. Confidentiality
None
Vuln. Integrity
None
Vuln. Availability
High
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
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

Affected software

Affected versions
2025.112.011.10.2

Technical Details

Gcve Source
db.gcve.eu
Osv Id
GHSA-w44g-4gmf-m2ww
Osv Schema Version
1.4.0
Aliases
["CVE-2026-13084"]
Ecosystems
[]
Database Specific Severity
HIGH
Cvss Version
3.1

Threat ID: 6a7f43e9bf8831d5395d6145

Added to database: 08/14/2026, 16:35:53 UTC

Last updated: 08/14/2026, 16:36:59 UTC

Views: 1

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