Cisco FMC flaws exploited by ransomware gang, state-sponsored hackers

Cisco Secure Firewall Management Center had two critical vulnerabilities exploited by ransomware groups and Russian state-sponsored hackers to execute ransomware, steal credentials, and maintain persistent network access. Cisco has issued patches and urges immediate installation to prevent ongoing exploitation.

This Wire brief sits within Fusion42's coverage of Cybersecurity and Security Infrastructure, and 3 sources have reported it between 10 Sep 2026 and 12 Sep 2026.