#VU123677 Improper Neutralization of Argument Delimiters in a Command in Cisco Firewall Threat Defense (FTD) - CVE-2026-20064

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Main Vulnerability Database Vulnerabilities #VU123677

#VU123677 Improper Neutralization of Argument Delimiters in a Command in Cisco Firewall Threat Defense (FTD) - CVE-2026-20064

Published: March 10, 2026


Vulnerability identifier: #VU123677
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-20064
CWE-ID: CWE-88
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Cisco Firewall Threat Defense (FTD)
Software vendor:
Cisco Systems, Inc

Description

The vulnerability allows a local user to perform a denial of service attack.

The vulnerability exists due to improper validation of the user-supplied input for a specific CLI command. A local user can pass specially crafted arguments to a CLI command and perform a denial of service attack. 


Remediation

Install updates from vendor's website.

External links