Filestore.Fortinet
Critical Vulnerability in WatchGuard Fireware OS Exposed to Remote Attacks
First seen 2 Dec 2025, 18:33 UTC
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A critical vulnerability (CVE-2025-9242) in WatchGuard's Fireware OS has been identified, allowing remote unauthenticated attackers to execute arbitrary code on over 54,000 Firebox devices globally. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has issued an urgent warning for federal agencies to patch their systems by December 3, 2025, as the flaw is actively being exploited.
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