#UAT-4356
State-Sponsored UAT-4356 Deploys FIRESTARTER Backdoor on Cisco Firepower Devices via Chained N-Day Vulnerabilities
Cisco Talos has uncovered an active espionage campaign by state-sponsored group UAT-4356, which chains two Cisco Firepower FXOS vulnerabilities (CVE-2025-20333 and CVE-2025-20362) to deploy the FIRESTARTER backdoor —...