CVE-2025-9242

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
WatchGuardCNA
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CISA-ADPADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 98%
VendorProductVersion
watchguardfireware
11.10.2 ≤
𝑥
< 12.11.4
watchguardfireware
11.10.2 ≤
𝑥
< 12.5.13
watchguardfireware
2025.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2025-00015
https://github.com/watchtowrlabs/watchTowr-vs-WatchGuard-CVE-2025-9242/blob/main/watchTowr-vs-WatchGuard-CVE-2025-9242.py
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-9242