EUVD-2026-80009

On affected platforms running Arista EOS with VRRPv2 IP Authentication Header IP-AH authentication configured, an unauthenticated attacker with access to the layer 2 network segment on which VRRP is running could bypass VRRP authentication and claim the virtual router master role, enabling the...

CVE-2026-73444

On affected platforms running Arista EOS with VRRPv2 IP Authentication Header IP-AH authentication configured, an unauthenticated attacker with access to the layer 2 network segment on which VRRP is running could bypass VRRP authentication and claim the virtual router master role, enabling the...

CVE-2026-73444

CVE-2026-73444 affects Arista EOS switches where VRRPv2 is configured with IP-AH authentication enabled. An unauthenticated attacker with access to the layer 2 network segment can bypass VRRP authentication and claim the virtual router master role, enabling them to intercept, modify, or discard t...

Security Advisory 0157

Security Advisory 0157 . CSAF PDF Date: September 9, 2026 Revision | Date | Changes ---|---|--- 1.0 | September 9, 2026 | Initial release 1.1 | September 22, 2026 | CSAF JSON file added Description All of the CVEs covered in this advisory apply to affected platforms running Arista EOS with the...