TLDR Tech / InfoSec
Cisco Patches Firewall Zero-Day Exploited for DoS Attacks
Cisco released emergency hotfixes for an actively exploited zero-day (CVE-2026-20349) that allows unauthenticated attackers to crash Secure Firewall ASA and FTD appliances via crafted HTTP requests to the Remote Access SSL VPN service, prompting a CISA mandate to patch by August 14.
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