CISA Identifies Vulnerability in WatchGuard Fireware Affecting 54,000 Devices

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has included a critical vulnerability, CVE-2025-9242 (CVSS score: 9.3), affecting WatchGuard Fireware in its Known Exploited Vulnerabilities (KEV) catalog due to active exploitation. This out-of-bounds write vulnerability impacts Fireware OS versions 11.10.2 and earlier. Users are advised to take immediate action to mitigate potential risks associated with this flaw. CISA’s listing emphasizes the urgency of addressing this security issue.

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