AI synthesis Cisco warns CVE-2026-20349, a high-severity unauthenticated DoS flaw in ASA and FTD firewall software, is being actively exploited to remotely crash devices. Patches are available.
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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 crash affected devices. [...]
CVE-2026-20349 can be exploited remotely without authentication against Secure Firewall ASA and FTD devices. The post Cisco Patches Firewall Zero-Day Exploited for DoS Attacks appeared first on SecurityWeek.
Cisco has warned that a new vulnerability impacting Secure Firewall Adaptive Security Appliance (ASA) Software and Secure Firewall Threat Defense (FTD) Software has been exploited in the wild. The high-severity flaw, tracked as CVE-2026-20349 (CVSS score: 8.6), is a case of in...
Cisco ASA and FTD CVE-2026-20349 Exploited Cisco has confirmed active exploitation of CVE-2026-20349 , a High-severity denial-of-service (DoS) vulnerability affecting the Remote Access SSL VPN service in Cisco Secure Fir
A high-severity vulnerability (CVE-2026-20349) is being leveraged by attackers to temporarily interrupt the operation of Cisco firewalls, the company has confirmed. The flaw has been added to CISA’s Known Exploited Vulnerabilities catalog and needs to be remediated by US civil...