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cyberMEDIUM2026-04-24 10:51 UTC

Hackers Exploit Cisco Firepower N-Day Flaws for Unauthorized Access

A state-sponsored threat actor known as UAT-4356 is actively exploiting known vulnerabilities in Cisco Firepower devices to deploy a sophisticated custom backdoor. UAT-4356 exploited two n-day vulnerabilities, CVE-2025-20333 and CVE-2025-20362m affecting Cisco’s Firepower eXtensible Operating System

ORIGINAL SOURCE →via GBHackers Security
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