CVE-2025-14733

WatchGuard Firebox iked Out of Bounds Write Vulnerability

Published: Dec 19, 2025Updated: Dec 23, 2025 Sources: CVE List NVD BDUCWE-787

NVD MITRE

9.8CVSSCRITICAL

Description

An Out-of-bounds Write vulnerability in WatchGuard Fireware OS may allow a remote unauthenticated attacker to execute arbitrary code. 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 12.11.5 and 2025.1 up to and including 2025.1.3.

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:HConfidentiality

High

I:HIntegrity

High

A:HAvailability

High

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Weaknesses

CWE-787

Affected Products

Fireware OS WatchGuard Networking Infrastructure

fireware watchguard Networking Infrastructure

Fireware OS Watchguard Technologies Inc.Networking Infrastructure

watchguardcommercialUSNetworking Infrastructure

watchguard technologies inc.commercialUSNetworking Infrastructureaka watchguard technologies inc.

Attack Graph

Products CVE Techniques Tactics

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Exploitability

CISA Known Exploited Vulnerability

Added to KEV:Dec 19, 2025

Remediation due:Dec 26, 2025

Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Official Patch Available