Cisco Secure Firewall Vulnerability Allows Remote Code Execution as Root User

Cisco has released an urgent security advisory addressing a critical vulnerability in its Secure Firewall Management Center (FMC) software. This severe flaw allows unauthenticated remote attackers to execute arbitrary code with full root privileges. CVE-2026-20131 is a critical vulnerability with a CVSS score of 10.0, stemming from insecure deserialization (CWE-502) and is exploitable remotely without […]

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