8.8

CVE-2026-73464: arista networks eos Code Injection

CVSS: 8.8v3.1HighAwaiting analysis
Published 16-09-2026Last modified 17-09-2026
Open JSON

Vulnerability summary

CVE-2026-73464 is a high (CVSS 8.8) Code Injection vulnerability in arista networks eos. EPSS estimates a 0.64% chance of exploitation in the next 30 days, higher than 49.8% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.64%
0%100%
Low · +0.16 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 16-09-2026
    PublishedVulnerability first disclosed.
  2. 17-09-2026
    Last modifiedVulnerability information updated.

Description

On affected platforms running Arista EOS with gRPC Network Management Interface (gNMI) enabled, a specially crafted request could allow a malicious authenticated client with gRPC Network Management Interface (gNMI) access to execute arbitrary code with root privileges on the switch.

CVSS metrics

4 scores · 2 sources · 2 versions

EPSS trend

Probability

0.64%

Chance of exploitation in the next 30 days

Percentile

50%

Versus all other CVEs

30-day change

+0.16 pp

From 0.48% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.64%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Arista networks1 product
  • eos≥ 4.29.0F, < 4.30.0F | ≥ 4.30.0F, < 4.31.0F | ≥ 4.31.0F, < 4.32.0F | ≥ 4.32.0F, < 4.33.0F | ≥ 4.33.0F, ≤ 4.33.8M | ≥ 4.34.0F, ≤ 4.34.7M | ≥ 4.35.0F, ≤ 4.35.5M | ≥ 4.36.0F, ≤ 4.36.0.1F

1 vendor · 1 product

References

1 links