CVE-2026-7473

UNKNOWNKnown Exploited

CISA Known Exploited Vulnerability

https://www.arista.com/en/support/advisories-notices/security-advisory/24005-security-advisory-0137 ; https://nvd.nist.gov/vuln/detail/CVE-2026-7473

Remediation deadline: June 23, 2026

Description

Arista Extensible Operating System (EOS) contains an incomplete comparison with missing factors vulnerability when the switch incorrectly decapsulate and forwards other unexpected tunneled packet with a destination IP matching its configured decapsulation IP.

Timeline

Published:June 9th, 2026 12:00 AM

Last modified:June 9th, 2026 12:00 AM

Added to KEV:June 9th, 2026

CVSS Scoring

No CVSS v3 score available

Affected Software

From NVD CPE configuration data

Vendors

Arista

Products

Extensible Operating System

Weaknesses (CWE)

CWE-1023

References & Reports

Advisories, patches, and third-party reports

No references available.

Source: CISA KEV + NVD · Data may lag official sources by up to one minute