CVE-2026-73450

On affected Arista EOS platforms with MLAG Dual Primary Detection configured, an unauthenticated attacker with access to the heartbeat network segment can send crafted UDP packets to corrupt the dual-primary state. If the MLAG primary switch fails while these packets are present, the secondary sw...

EUVD-2026-80083

On affected platforms running Arista EOS with MLAG Dual Primary Detection configured, an unauthenticated attacker with access to the Dual Primary Detection network segment can send specially crafted packets to interfere with the dual-primary state. If the MLAG primary switch fails while these...