CVE-2026-20064

A vulnerability in of Cisco Secure Firewall Threat Defense (FTD) Software could allow an authenticated, local attacker to cause the device to unexpectedly reload, causing a denial of service (DoS) condition. This vulnerability is due to improper validation of user-supplied input. An attacker with a low-privileged account could exploit this vulnerability by using crafted commands at the CLI prompt. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.

• cisco secure firewall threat defense 6.2.3 • cisco secure firewall threat defense 6.4.0 • cisco secure firewall threat defense 6.4.0.1 • cisco secure firewall threat defense 6.4.0.2 • cisco secure firewall threat defense 6.4.0.3 • cisco secure firewall threat defense 6.4.0.4 • cisco secure firewall threat defense 6.4.0.5 • cisco secure firewall threat defense 6.4.0.6 • cisco secure firewall threat defense 6.4.0.7 • cisco secure firewall threat defense 6.4.0.8 • cisco secure firewall threat defense 6.4.0.9 • cisco secure firewall threat defense 6.4.0.10 • cisco secure firewall threat defense 6.4.0.11 • cisco secure firewall threat defense 6.4.0.12 • cisco secure firewall threat defense 6.4.0.13 • cisco secure firewall threat defense 6.4.0.14 • cisco secure firewall threat defense 6.4.0.15 • cisco secure firewall threat defense 6.4.0.16 • cisco secure firewall threat defense 6.4.0.17 • cisco secure firewall threat defense 6.4.0.18 • cisco secure firewall threat defense 7.0.0 • cisco secure firewall threat defense 7.0.0.1 • cisco secure firewall threat defense 7.0.1 • cisco secure firewall threat defense 7.0.1.1 • cisco secure firewall threat defense 7.0.2 • cisco secure firewall threat defense 7.0.2.1 • cisco secure firewall threat defense 7.0.3 • cisco secure firewall threat defense 7.0.4 • cisco secure firewall threat defense 7.0.5 • cisco secure firewall threat defense 7.0.6 • cisco secure firewall threat defense 7.0.6.1 • cisco secure firewall threat defense 7.0.6.2 • cisco secure firewall threat defense 7.0.6.3 • cisco secure firewall threat defense 7.0.7 • cisco secure firewall threat defense 7.0.8 • cisco secure firewall threat defense 7.0.8.1 • cisco secure firewall threat defense 7.1.0 • cisco secure firewall threat defense 7.1.0.1 • cisco secure firewall threat defense 7.1.0.2 • cisco secure firewall threat defense 7.1.0.3 • cisco secure firewall threat defense 7.2.0 • cisco secure firewall threat defense 7.2.0.1 • cisco secure firewall threat defense 7.2.1 • cisco secure firewall threat defense 7.2.2 • cisco secure firewall threat defense 7.2.3 • cisco secure firewall threat defense 7.2.4 • cisco secure firewall threat defense 7.2.4.1 • cisco secure firewall threat defense 7.2.5 • cisco secure firewall threat defense 7.2.5.1 • cisco secure firewall threat defense 7.2.5.2 • cisco secure firewall threat defense 7.2.6 • cisco secure firewall threat defense 7.2.7 • cisco secure firewall threat defense 7.2.8 • cisco secure firewall threat defense 7.2.8.1 • cisco secure firewall threat defense 7.2.9 • cisco secure firewall threat defense 7.2.10 • cisco secure firewall threat defense 7.2.10.2 • cisco secure firewall threat defense 7.3.0 • cisco secure firewall threat defense 7.3.1 • cisco secure firewall threat defense 7.3.1.1 … and 16 more