Emerging Threat: (CVE-2026-20349) Cisco ASA and FTD Denial of Service via Remote Access SSL VPN
CVE-2026-20349 is a denial of service vulnerability in the Remote Access SSL VPN service of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software. The flaw stems from insufficient error checking when the service processes HTTP requests. The vulnerability carries a CVSS v3.1 base score of 8.6 (High). Cisco tracks it under CWE-244.