Cisco says attackers are exploiting CVE-2026-20349 in ASA and FTD, letting crafted HTTP requests trigger DoS via Remote Access SSL VPN.

Cisco is warning that a high-severity denial-of-service vulnerability in Secure Firewall ASA and Threat Defense (FTD) software is being actively exploited in attacks to remotely…

Cisco has patched CVE-2026-20349, a Firewall ASA zero-day vulnerability that has been exploited for DoS attacks.