CVE-2025-8870: Arista Networks Eos

Medium severity, CVSS 4.9. EPSS: 0.2% chance of exploitation in the next 30 days.

On affected platforms running Arista EOS, certain serial console input might result in an unexpected reload of the device.153

Affected products

• Arista Networks Eos: version 4.34.2FX only

Published 2025-11-14. Last modified 2026-10-07.