Cisco ASA and FTD Flaw Exploited in the Wild Can Trigger Remote DoS

Aug 12, 2026 - 10:15
Cisco ASA and FTD Flaw Exploited in the Wild Can Trigger Remote DoS
Cisco has warned that a new vulnerability impacting Secure Firewall Adaptive Security Appliance (ASA) Software and Secure Firewall Threat Defense (FTD) Software has been exploited in the wild. The high-severity flaw, tracked as CVE-2026-20349 (CVSS score: 8.6), is a case of insufficient error checking when processing HTTP requests that could allow an unauthenticated, remote attacker to trigger