CISA said a federal Cisco Firepower ASA device was infected with the FIRESTARTER backdoor in Sept 2025, and it survived security patches. CISA revealed that a U.S. federal civilian agency’s Cisco Firepower device running ASA software was compromised in September 2025 by the FIRESTARTER backdoor. The malware reportedly persisted even after security patches were applied, […]
UK NCSC warns that threat actors exploited Cisco firewall zero-days to deploy new malware strains RayInitiator and LINE VIPER. The U.K. NCSC reported that threat actors exploited recently disclosed Cisco firewall flaws (CVE-2025-20362, CVE-2025-20333) in zero-day attacks to deploy novel malware families, RayInitiator and LINE VIPER. These malware mark a major evolution from earlier campaigns, […]