Cisco Systems has disclosed a high-severity vulnerability (CVE-2025-20111) in its Nexus 3000 and 9000 Series Switches operating in standalone NX-OS mode.
The vulnerability enables unauthenticated attackers to trigger denial of service (DoS) conditions through crafted Ethernet frames.
Rated 7.4 on the CVSS v3.1 scale, the flaw affects critical infrastructure components widely used in enterprise and data center environments.
https://gbhackers.com/cisco-nexus-switch-vulnerability/