Cisco's Secure Firewall Management Center security hole is as bad as they get. There is no mitigation and no workaround. Patch immediately. So far, no confirmed active exploits have been confirmed.

Cisco is warning about a critical remote code execution (RCE) vulnerability in the RADIUS subsystem of its Secure Firewall Management Center (FMC) software. Cisco FCM is a management platform for the ...

Cisco has disclosed a critical vulnerability in its Secure Firewall Management Center (FMC) Software. The remote code execution (RCE) flaw, CVE-2025-20265, has a maximum CVSS severity score of 10.0.

Cisco has handed security teams one of the largest ever patching workloads affecting its firewall products, including fixes for two ‘perfect 10’ vulnerabilities in the company’s Secure Firewall ...

Attackers can gain full control over Cisco Secure Firewall Management Center (FMC). Developers have resolved this and other security issues in Secure Firewall Adaptive Security Appliance (ASA) and ...