#cisco-fmc

Cisco Firewall Zero-Day Exploited by Interlock Ransomware

Cisco's Firewall Management Center vulnerability CVE-2026-20131 was actively exploited by Russian-linked Interlock ransomware operators since January 2026.

Interlock Ransomware Exploits Cisco FMC Zero-Day Since January

Interlock ransomware gang has been actively exploiting a critical Cisco Secure Firewall Management Center zero-day vulnerability in attacks since late January 2026.