Cisco has released patches to fix vulnerability in Nexus 3000 and 9000 series switches. An attacker could exploit of this vulnerability (CVE-2025-20111) to trigger denial of service (DoS) condition on an affected system. The company says the vulnerability affects the following Cisco Products:

• Nexus 3100 Series Switches;

• Nexus 3200 Series Switches;

• Nexus 3400 Series Switches;

• Nexus 3600 Series Switches;

• Nexus 9200 Series Switches in standalone NX-OS mode;

• Nexus 9300 Series Switches in standalone NX-OS mode;

• Nexus 9400 Series Switches in standalone NX-OS mode.

Details on all of the addressed vulnerabilities are available on Cisco’s security portal – cisco.com