CVE-2025-9242

WatchGuard Firebox Out-of-Bounds Write Vulnerability

WatchGuard — Firebox

Added to KEV catalog: 12 November 2025
Federal remediation due date: 3 December 2025
Weakness classification (CWE): CWE-787

CISA Description

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.

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

https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2025-00015 ; https://nvd.nist.gov/vuln/detail/CVE-2025-9242

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