Executive Risk Summary
"A vulnerability in the RADIUS proxy feature for the IPsec VPN feature of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. This vulnerability is due to improper processing of IPv6 packets and can be exploited by sending IPv6 packets over an IPsec VPN connection to an affected device."
Operational Audit Arsenal
Target Type Firmware Image
Target Asset Cisco Secure Firewall Adaptive Security Appliance (ASA) Software
Standard Path Global Firmware
Manual Verification Required
This is a non-Windows asset (Cisco). Use the target asset details and official path provided above to verify your current version against the official vendor advisories listed below.
Patch Impact Forecast
Reboot Required Likely
High
Internal Work Notes
CVE-2025-20222: Cisco Secure Firewall ASA Software IPsec VPN RADIUS Proxy DoS Vulnerability - Potential for remote denial of service, requires firmware update and reboot
Technical Intelligence & Operational Utilities • Delivered Weekly
Intelligence Sources
Related Cisco Threats
Data compiled from NVD, MSRC, and CISA KEV Catalog. Intelligence synthesized via AI. Scripts provided for diagnostic purposes under MIT License.