ThreatsTechnology, Cloud & SaaSCriticalCritical Cisco Secure Firewall Flaw Weaponized to Compromise Enterprise Perimeter GatewaysCisco issues emergency software hardening release for Secure Firewall ASA, FTD, and FMC addressing actively exploited critical vulnerability CVE-2026-20329.Priya Raman·19 Sep 2026, 11:55 IST·13 min read