Vulnerability in Arista Networks Eos

CVE-2025-8870

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

EPSS: 0.001 (4.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H.

Affected products

Arista Networks Eos — versions 4.34.2FX

Weakness classification (CWE)

CWE-248

References

psirt@arista.com

Frequently asked questions

What is CVE-2025-8870?: CVE-2025-8870 is a medium-severity vulnerability in Arista Networks Eos, classified under CWE-248. CVSS score: 4.9/10. Published 2025-11-14.
How severe is CVE-2025-8870?: Medium severity. CVSS v3 base score is 4.9 out of 10.