Cisco Warns of DoS Vulnerability in Nexus 3000 and 9000 Series Switches (CVE-2025-20111) Vulnerability Cisco Warns of DoS Vulnerability in Nexus 3000 and 9000 Series Switches (CVE-2025-20111) Do Son February 26, 2025 0 Learn how CVE-2025-20111 impacts Cisco Nexus switches. This vulnerability could lead to remote denial of service attacks.