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

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.002 (5.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 5.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-8870: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

References

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.