WatchGuard Firebox
YES - ON THE CISA KEV LIST
CVE-2025-9242
WatchGuard Firebox Out-of-Bounds Write Vulnerability
343 days past due
WatchGuard: 4 entries (0.2% of all KEV entries are from this vendor); 0 added in 2026.
BOD 26-04 note: this is the date printed in the CISA catalog. A federal agency's actual deadline is set by its SSVC tier - Act (3 days), Attend (14 days), Track (60 days), or the next scheduled upgrade - counted from the KEV listing date or the date the vulnerability is identified in its environment, whichever comes first. Use the tier helper on each CVE page for your own window.
Your BOD 26-04 window (SSVC tier helper)
Your remediation window ends:
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 (CISA)
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
References
Other KEV entries for this vendor: WatchGuard
- CVE-2025-14733 - Firebox (2025-12-19)
- CVE-2022-23176 - Firebox and XTM (2022-04-11)
- CVE-2022-26318 - Firebox and XTM Appliances (2022-03-25)
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