CVE-2026-7473: Arista Extensible Operating System Incomplete Comparison with Missing Factors Vulnerability

CVE ID

CVE-2026-7473

Vulnerability Name

Arista Extensible Operating System Incomplete Comparison with Missing Factors Vulnerability

• Project: Arista
• Product: Extensible Operating System

Date

• Date Added: 2026-06-09
• Due Date: 2026-06-23

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.

Known To Be Used in Ransomware Campaigns?

Unknown

Action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Additional Notes

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

More CVEs Info

Common Vulnerabilities & Exposures (CVE) List