CVE-2026-20010 | Cisco NX-OS Software Link Layer Discovery Protocol buffer access with incorrect length value (cisco-sa-n3kn9k_aci_lldp_dos-NdgRrrA3)
A vulnerability was found in Cisco NX-OS Software, NX-OS System Software in ACI Mode and Unified Computing System. It has been rated as critical. Affected by this vulnerability is an unknown functionality of the component Link Layer Discovery Protocol. This manipulation causes buffer access with incorrect length value.
The identification of this vulnerability is CVE-2026-20010. The attack needs to be done within the local network. There is no exploit available.
Upgrading the affected component is advised.