Based on evidence of active exploitation, the U.S. Cybersecurity and Infrastructure Security Agency (CISA) added a significant security vulnerability affecting WatchGuard Fireware to its Known Exploited Vulnerabilities (KEV) list. The vulnerability in question is CVE-2025-9242 (CVSS score: 9.3), an out-of-bounds write vulnerability that affects Fireware OS versions 11.10.2 through 11.12.4_Update1, 12.0 through 12.11.3, and 2025.1. […]