CVE-2026-73468: Arista Networks Eos

Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days.

A specially crafted packet can cause the premature expiry of multicast forwarding state on affected interfaces, potentially resulting in temporary multicast traffic loss during the affected period.

Affected products

• Arista Networks Eos: from 1.0.0, before 4.33.0F (fixed in 4.33.0F); from 4.33.0F, up to and including 4.33.8M; from 4.34.0F, up to and including 4.34.7.1M; from 4.35.0F, up to and including 4.35.5M; from 4.36.0F, up to and including 4.36.1F

Published 2026-09-16. Last modified 2026-09-16.