CVE-2026-19655 | BDVDB-2026-373310 Detail

Description#

On affected platforms running Arista EOS with Dynamic Host Configuration Protocol (DHCP) relay/snooping configured with the information option (Option 82), or with the DHCP server configured with match criteria based on the information option, an unauthenticated attacker connected to a client-facing VLAN(s) where the relay is configured can send a specially crafted packet that causes the DHCP Relay service to restart.

Impact#

Weaknesses#

References#

Exploit#

History#

1. Version 12026-09-15Record published in the CVE List.
2. Version 22026-09-16Most recent update recorded in the CVE List.