Critical Security Alert – Cisco FMC RADIUS Vulnerability (CVE-2025-20265)
- November 19, 2025
- Posted by: Chernor Jalloh
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Cisco has released urgent patches for a maximum severity flaw (CVSS 10.0) in Secure Firewall Management Center (FMC).
• Allows unauthenticated remote attackers to execute commands with root privileges
• Affects FMC versions 7.0.7 & 7.7.0 when RADIUS authentication is enabled
• No workaround except patching immediately (temporary fix: disable RADIUS)
Organizations using Cisco FMC are strongly advised to apply updates now to prevent potential compromise.
Full advisory available on our website: https://nccc.gov.sl/Alerts_Advisories/