CVE-2025-14733

WatchGuard Firebox Out of Bounds Write Vulnerability

WatchGuard — Firebox

Added to KEV catalog: 19 December 2025
Federal remediation due date: 26 December 2025
Weakness classification (CWE): CWE-787

CISA Description

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.

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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WatchGuard Firebox and XTM Privilege Escalation Vulnerability

CVE-2022-26318

WatchGuard Firebox and XTM Appliances Arbitrary Code Execution

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