CVE-2026-73458

Description

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).

CVSS Vector

References

• https://www.arista.com/en/support/advisories-notices/security-advisory/24710-security-advisory-0154