6.3

CVE-2026-73467: arista networks eos

CVSS: 6.3v3.1MediumAwaiting analysis
Published 15-09-2026Last modified 16-09-2026
Open JSON

Vulnerability summary

CVE-2026-73467 is a medium (CVSS 6.3) vulnerability in arista networks eos. EPSS estimates a 0.13% chance of exploitation in the next 30 days, higher than 2.4% of scored vulnerabilities.

Overall risk
25/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.13%
0%100%
Low · +0.04 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 15-09-2026
    PublishedVulnerability first disclosed.
  2. 16-09-2026
    Last modifiedVulnerability information updated.

Description

On affected platforms running Arista EOS, under certain circumstances plaintext shared secrets for configured Terminal Access Controller Access-Control System Plus (TACACS+) servers

CVSS metrics

4 scores · 2 sources · 2 versions

EPSS trend

Probability

0.13%

Chance of exploitation in the next 30 days

Percentile

2%

Versus all other CVEs

30-day change

+0.04 pp

From 0.09% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.13%

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≥ 4.36.0, ≤ 4.36.1F | ≥ 4.35.0, ≤ 4.35.4M | ≥ 4.34.0, ≤ 4.34.7M | ≥ 0.0.0, ≤ 4.33.9M | ≤ 4.32.0 | ≤ 4.31.0

1 vendor · 1 product

References

1 links