CVE-2026-73458 [HIGH] – On affected platforms running Arista EOS with authenticated Bidirectional Forwarding Detec

On affected platforms running Arista EOS with authenticated Bidirectional Forwarding Detection (BFD) sessions configured, a specially crafted packet can cause the BFD session(s) to go down. This may result in undesirable network changes because various routing protocols monitor status on BFD session(s).