Vulnerability Details CVE-2025-9242
An Out-of-bounds Write vulnerability in the WatchGuard Fireware OS iked process 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.
If the Firebox was previously configured with the mobile user VPN with IKEv2 or a branch office VPN using IKEv2 to a dynamic gateway peer, and both of those configurations have since been deleted, that Firebox may still be vulnerable if a branch office VPN to a static gateway peer is still configured.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.913
EPSS Ranking 99.8%
CVSS Severity
CVSS v3 Score 9.8
Proposed Action
WatchGuard Firebox contains an out-of-bounds write vulnerability in the OS iked process that may allow a remote unauthenticated attacker to execute arbitrary code.
Ransomware Campaign
Unknown
References
- https://psirt.watchguard.com/CVE-2025-9242
- 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
Products affected by CVE-2025-9242
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cpe:2.3:h:watchguard:firebox_m270:-
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cpe:2.3:h:watchguard:firebox_m290:-
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cpe:2.3:h:watchguard:firebox_m295:-
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cpe:2.3:h:watchguard:firebox_m370:-
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cpe:2.3:h:watchguard:firebox_m390:-
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cpe:2.3:h:watchguard:firebox_m395:-
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cpe:2.3:h:watchguard:firebox_m440:-
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cpe:2.3:h:watchguard:firebox_m4600:-
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cpe:2.3:h:watchguard:firebox_m470:-
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cpe:2.3:h:watchguard:firebox_m4800:-
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cpe:2.3:h:watchguard:firebox_m495:-
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cpe:2.3:h:watchguard:firebox_m5600:-
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cpe:2.3:h:watchguard:firebox_m570:-
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cpe:2.3:h:watchguard:firebox_m5800:-
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cpe:2.3:h:watchguard:firebox_m590:-
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cpe:2.3:h:watchguard:firebox_m595:-
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cpe:2.3:h:watchguard:firebox_m670:-
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cpe:2.3:h:watchguard:firebox_m690:-
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cpe:2.3:h:watchguard:firebox_m695:-
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cpe:2.3:h:watchguard:firebox_nv5:-
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cpe:2.3:h:watchguard:firebox_t115-w:-
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cpe:2.3:h:watchguard:firebox_t125-w:-
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cpe:2.3:h:watchguard:firebox_t125:-
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cpe:2.3:h:watchguard:firebox_t145-w:-
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cpe:2.3:h:watchguard:firebox_t145:-
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cpe:2.3:h:watchguard:firebox_t15:-
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cpe:2.3:h:watchguard:firebox_t185:-
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cpe:2.3:h:watchguard:firebox_t20:-
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cpe:2.3:h:watchguard:firebox_t25:-
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cpe:2.3:h:watchguard:firebox_t35:-
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cpe:2.3:h:watchguard:firebox_t40:-
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cpe:2.3:h:watchguard:firebox_t45:-
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cpe:2.3:h:watchguard:firebox_t55:-
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cpe:2.3:h:watchguard:firebox_t70:-
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cpe:2.3:h:watchguard:firebox_t80:-
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cpe:2.3:h:watchguard:firebox_t85:-
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cpe:2.3:h:watchguard:fireboxcloud:-
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cpe:2.3:h:watchguard:fireboxv:-
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cpe:2.3:o:watchguard:fireware:11.10.2
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cpe:2.3:o:watchguard:fireware:11.10.3
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cpe:2.3:o:watchguard:fireware:11.10.4
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cpe:2.3:o:watchguard:fireware:11.10.5
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cpe:2.3:o:watchguard:fireware:11.10.6
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cpe:2.3:o:watchguard:fireware:11.10.7
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cpe:2.3:o:watchguard:fireware:11.11
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cpe:2.3:o:watchguard:fireware:11.11.1
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cpe:2.3:o:watchguard:fireware:11.11.2
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cpe:2.3:o:watchguard:fireware:11.11.4
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cpe:2.3:o:watchguard:fireware:11.12
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cpe:2.3:o:watchguard:fireware:11.12.1
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cpe:2.3:o:watchguard:fireware:11.12.2
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cpe:2.3:o:watchguard:fireware:11.12.4
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cpe:2.3:o:watchguard:fireware:12.0.0
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cpe:2.3:o:watchguard:fireware:12.0.1
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cpe:2.3:o:watchguard:fireware:12.0.2
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cpe:2.3:o:watchguard:fireware:12.1
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cpe:2.3:o:watchguard:fireware:12.1.1
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cpe:2.3:o:watchguard:fireware:12.1.3
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cpe:2.3:o:watchguard:fireware:12.1.4
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cpe:2.3:o:watchguard:fireware:12.10
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cpe:2.3:o:watchguard:fireware:12.10.1
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cpe:2.3:o:watchguard:fireware:12.10.2
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cpe:2.3:o:watchguard:fireware:12.10.3
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cpe:2.3:o:watchguard:fireware:12.10.4
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cpe:2.3:o:watchguard:fireware:12.11
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cpe:2.3:o:watchguard:fireware:12.11.1
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cpe:2.3:o:watchguard:fireware:12.11.2
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cpe:2.3:o:watchguard:fireware:12.11.3
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cpe:2.3:o:watchguard:fireware:12.2.0
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cpe:2.3:o:watchguard:fireware:12.2.1
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cpe:2.3:o:watchguard:fireware:12.3
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cpe:2.3:o:watchguard:fireware:12.3.1
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cpe:2.3:o:watchguard:fireware:12.4
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cpe:2.3:o:watchguard:fireware:12.4.1
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cpe:2.3:o:watchguard:fireware:12.5
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cpe:2.3:o:watchguard:fireware:12.5.1
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cpe:2.3:o:watchguard:fireware:12.5.10
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cpe:2.3:o:watchguard:fireware:12.5.11
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cpe:2.3:o:watchguard:fireware:12.5.12
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cpe:2.3:o:watchguard:fireware:12.5.13
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cpe:2.3:o:watchguard:fireware:12.5.14
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cpe:2.3:o:watchguard:fireware:12.5.15
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cpe:2.3:o:watchguard:fireware:12.5.2
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cpe:2.3:o:watchguard:fireware:12.5.3
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cpe:2.3:o:watchguard:fireware:12.5.4
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cpe:2.3:o:watchguard:fireware:12.5.5
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cpe:2.3:o:watchguard:fireware:12.5.6
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cpe:2.3:o:watchguard:fireware:12.5.7
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cpe:2.3:o:watchguard:fireware:12.5.8
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cpe:2.3:o:watchguard:fireware:12.5.9
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cpe:2.3:o:watchguard:fireware:12.6.1
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cpe:2.3:o:watchguard:fireware:12.6.3
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cpe:2.3:o:watchguard:fireware:12.6.4
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cpe:2.3:o:watchguard:fireware:12.7.0
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cpe:2.3:o:watchguard:fireware:12.7.1
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cpe:2.3:o:watchguard:fireware:12.7.2
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cpe:2.3:o:watchguard:fireware:12.8.0
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cpe:2.3:o:watchguard:fireware:12.8.1
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cpe:2.3:o:watchguard:fireware:12.8.2
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cpe:2.3:o:watchguard:fireware:12.8.3
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cpe:2.3:o:watchguard:fireware:12.9
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cpe:2.3:o:watchguard:fireware:12.9.2
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cpe:2.3:o:watchguard:fireware:12.9.3
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cpe:2.3:o:watchguard:fireware:12.9.4
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cpe:2.3:o:watchguard:fireware:2025.1