Vulnerability · Published Sep 16, 2026 · Assigned by Arista

CVE-2026-73442On affected platforms running Arista EOS with VRRP enabled, the peer device VRRP authentication credentials are logged in cleartext on the switch, allowing an authenticated user with sufficient privileges to view agent trace logs (or a system receiving for

Low 3.0

In plain English

A low-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 0.2% (higher than 11% of all known vulnerabilities).

Severity (CVSS 3.1)3.0Low
Exploit odds (30 days)0.2%top 88.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

On affected platforms running Arista EOS with VRRP enabled, the peer device VRRP authentication credentials are logged in cleartext on the switch, allowing an authenticated user with sufficient privileges to view agent trace logs (or a system receiving forwarded log output) to obtain the peer device VRRP authentication credentials without having access to the network segment on which VRRP is running.

Affected products (as reported)

VendorProductVersions
Arista Networks EOS 4.36.0 – through 4.36.1F4.35.0 – through 4.35.5M4.34.0 – through 4.34.7M4.33.0 – through 4.33.9M

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

References