CVE-2025-20333

Cisco Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD) Buffer Overflow Vulnerability

9.9
CVSS 3.1
70.7 %
EPSS (current)
2025-09-25
KEV addition
No
Ransomware

Timeline

Publication, first public exploit and KEV addition on a day axis.

Key facts

Vendor / product: Cisco / Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense

Published: 2025-09-25 · Due (CISA): 2025-09-26

CWE: CWE-120 · EU list: no

Exploit references (metadata only)

No public exploit references recorded.

Sources