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Cisco FMC RADIUS Vulnerability CVE-2025-20265: Patch N…

Diagram of Cisco Secure Firewall Management Center connecting internet, router, firewall, AAA server, RADIUS, remote access VPN, and workstations

Cisco has issued urgent security updates for a critical CVE-2025-20265 vulnerability in its Secure Firewall Management Center (FMC) Software. With a CVSS score of 10.0, this RADIUS authentication flaw permits unauthenticated remote attackers to execute arbitrary shell commands with high privileges. Systems running versions 7.0.7 or 7.7.0 using RADIUS must be patched immediately.