Vulnerability · Published Sep 15, 2026 · Assigned by Arista

CVE-2026-73467On affected platforms running Arista EOS, under certain circumstances plaintext shared secrets for configured Terminal Access Controller Access-Control System Plus (TACACS+) servers

Medium 6.3

In plain English

A medium-severity sensitive data in logs in EOS from Arista Networks. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 3% of all known vulnerabilities).

Severity (CVSS 3.1)6.3Medium
Exploit odds (30 days)0.1%top 97.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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

Affected products (as reported)

VendorProductVersions
Arista Networks EOS 4.36.0 – through 4.36.1F4.35.0 – through 4.35.4M4.34.0 – through 4.34.7M0.0.0 – through 4.33.9M0 – through 4.32.00 – through 4.31.0

Weakness: CWE-532 · Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H

References