CVE-2026-73442

Low

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.

SeverityLow

CVSS3.0

Exploit probability—

ProductEOS

PublishedSep 16, 2026

First seenSep 16, 2026

Weakness typeCWE-532CWE-532

How to fix

Vendor advisories

arista.com/en/support/advisories-notices/security-advisory/24713-security-advisory-0157

Affected products

Product	Affected versions	Fixed in
Arista Networks EOS	4.36.0 ≤ v ≤ 4.36.1F, 4.35.0 ≤ v ≤ 4.35.5M, 4.34.0 ≤ v ≤ 4.34.7M, 4.33.0 ≤ v ≤ 4.33.9M	—

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