SOURCE FACT
WatchGuard · Firebox
WatchGuard Fireware OS iked process contains an out of bounds write vulnerability in the OS iked process. This vulnerability may allow a remote unauthenticated attacker to execute arbitrary code and affects both the mobile user VPN with IKEv2 and the branch office VPN using IKEv2 when configured with a dynamic gateway peer.
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.
CISA notes
Check for signs of potential compromise on all internet accessible instances after applying mitigations. For more information please see: https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2025-00027 ; https://nvd.nist.gov/vuln/detail/CVE-2025-14733
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