CVE-2026-121288 | Arista EOS up to 4.37.0F RIPv2 MD5 Authentication improper authorization

November 10, 2026 Yanac

A vulnerability classified as critical has been found in Arista EOS up to 4.37.0F. Impacted is an unknown function of the component RIPv2 MD5 Authentication. The manipulation leads to improper authorization.

This vulnerability is referenced as CVE-2026-121288. Remote exploitation of the attack is possible. No exploit is available.

It is recommended to upgrade the affected component.VulDB Recent EntriesRead More