Cisco patches critical SSL VPN DoS flaw actively exploited in the wild
An unauthenticated remote attacker can crash Cisco ASA and FTD firewalls by sending a crafted HTTP request to the SSL VPN service. Cisco’s August 11 advisory (CVE‑2026‑20349) confirms active exploitation and provides hotfixes for all affected releases. Organizations must apply the patches immediately to avoid denial‑of‑service outages.