CVE-2025-9242

CRITICAL KEV NUCLEI

WatchGuard Fireware OS <12.11.3 - RCE

Title source: llm

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 12.11.3 and 2025.1.

Exploits (1)

github WORKING POC 11 stars

by watchtowrlabs · pythonremote

https://github.com/watchtowrlabs/watchTowr-vs-WatchGuard-CVE-2025-9242

View Code ZIP pw:eip

Nuclei Templates (1)

WatchGuard IKEv2 Out-of-Bounds Write Vulnerability

CRITICALVERIFIEDby pussycat0x,DhiyaneshDK,watchTowr

Shodan: html:"Watchguard" html:"Authentication Server"

References (3)

[Vendor Advisory] https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2025-00015

[Exploit] https://github.com/watchtowrlabs/watchTowr-vs-WatchGuard-CVE-2025-9242/blob/main/watchTowr-vs-WatchGuard-CVE-2025-9242.py

View Exploit ZIP pw:eip

[US Government Resource] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-9242

Scores

CVSS v3 9.8

EPSS 0.6897

EPSS Percentile 98.6%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CISA KEV 2025-11-12

VulnCheck KEV 2025-10-21

ENISA EUVD EUVD-2025-29699

CWE

CWE-787

Status published

Products (2)

watchguard/fireware 2025.1

watchguard/fireware 11.10.2 - 12.11.4

Published Sep 17, 2025

KEV Added Nov 12, 2025

Tracked Since Feb 18, 2026