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CVE-2025-20333· cisco / secure firewall adaptive security appliance and secure firewall threat defense· CWE-120
Cisco Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD) Buffer Overflow Vulnerability
Exploited in the wild. Listed by CISA on 2025-09-25; known to be used by ransomware.
72%likelihood of exploitation, next 30 days
99%of all CVEs are less likely
Nonecheck to confirm it
Cisco Secure Firewall Adaptive Security (ASA) Appliance and Secure Firewall Threat Defense (FTD) Software VPN Web Server contain a buffer overflow vulnerability that allows for remote code execution. This vulnerability could be chained with CVE-2025-20362.
No ready check is stored for this CVE. Confirm it by hand from the references.
References
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