WatchGuard Fireware Flaw: The Cyber Bug Hitting 54,000 Devices (And Counting!)
CISA has added a critical WatchGuard Fireware security flaw to its Known Exploited Vulnerabilities catalog. This vulnerability, CVE-2025-9242, allows remote attackers to execute arbitrary code. With over 54,300 devices still affected, it’s a bit like leaving your front door wide open and hoping no one notices.

Hot Take:
Looks like WatchGuard has been caught with its pants down! CISA’s latest addition to the Known Exploited Vulnerabilities catalog means it’s time to batten down the hatches, especially if you’re one of the 54,300 Firebox instances still vulnerable. It’s like a cybersecurity version of musical chairs, and you don’t want to be the one left standing without a patch when the music stops!
Key Points:
– CISA adds WatchGuard Fireware security flaw CVE-2025-9242 to KEV catalog.
– The flaw allows remote code execution due to an out-of-bounds write vulnerability.
– Over 54,300 Firebox instances remain vulnerable, primarily in the U.S., Italy, the U.K., Germany, and Canada.
– Federal agencies are advised to patch by December 3, 2025.
– CISA also added other vulnerabilities, including CVE-2025-62215 in Windows and CVE-2025-12480 in Triofox.
