Check Point Advisories

WatchGuard Fireware Out of Bounds Write (CVE-2025-14733)

Vulnerability
Protection

Check Point Reference:	CPAI-2025-13279
Date Published:	17 Mar 2026
Severity:	Critical
Last Updated:	Tuesday 17 March, 2026
Source:
Industry Reference:	CVE-2025-14733
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	WatchGuard Fireware 11.10.2 and later, prior to 12.5.15 WatchGuard Fireware 11.10.2 and later, prior to 12.11.6 WatchGuard Fireware 2025.1 and later, prior to 2025.1.4
Vulnerability Description	An out-of-bounds write vulnerability in WatchGuard Fireware allows remote unauthenticated attackers to execute arbitrary code by exploiting the Mobile User VPN with IKEv2 and the Branch Office VPN using IKEv2 when configured with a dynamic gateway peer. This can lead to full control of the affected system.

Protection Overview

This protection detects attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R81 / R80 / R77 / R75

In the IPS tab, click Protections and find the WatchGuard Fireware Out of Bounds Write (CVE-2025-14733) protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: Application Servers Protection Violation.
Attack Information: WatchGuard Fireware Out of Bounds Write (CVE-2025-14733)