Cisco ASA and FTD Flaw Exploited in the Wild Can Trigger Remote DoS
Cisco ASA and FTD Flaw Exploited in the Wild Can Trigger Remote DoS
12 August 2026
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