🛡️ ACTIVE EXPLOITATION: Cisco ASA/FTD Remote DoS (CVE-2026-20349)
Published Wednesday, August 12, 2026 at 10:34 AM PT BLUF: Unauthenticated remote attackers are actively exploiting a high-severity denial-of-service flaw in Cisco Secure Firewall ASA and FTD. CVSS 8.6. Check inventory immediately for affected versions; patch or isolate if exposed to untrusted networks. DETAILS CVE-2026-20349 in Cisco Secure Firewall ASA and FTD software; CVSS 8.6 (high) Attack vector: Unauthenticated remote; no user interaction required Exploitation status: Active in the wild; attacks already observed Impact: Denial of service against affected firewalls Vendor response: Cisco has disclosed and released advisory (patch/workaround status unconfirmed from this report) IMPACT Who: Organizations running Cisco ASA or FTD in production, particularly those accessible to untrusted networks. ...