WatchGuard Firebox Out of Bounds Write Vulnerability

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• NewsExploited · CISA KEVKnown ransomware useWatchGuard · Firebox

  WatchGuard Firebox Out of Bounds Write Vulnerability

  CVE-2025-14733

  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.

  CISA's required action · due 26 Dec 2025 for U.S. federal civilian agencies

  Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

  Cited by CISA: watchguard.com · nvd.nist.gov

  Added to KEV 19 Dec 2025 · Source checked 4 Nov 2026, 16:40 UTC · CISA KEV entry

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