What is CVE-2026-73468?

CVE-2026-73468 is a medium-severity vulnerability in Arista Networks Eos, classified under Always-Incorrect Control Flow Implementation. CVSS score: 6.5/10. Published 2026-09-16.

How severe is CVE-2026-73468?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Arista Networks Eos

CVE-2026-73468

A specially crafted packet can cause the premature expiry of multicast forwarding state on affected interfaces, potentially resulting in temporary multicast traffic loss during the affected period.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Arista Networks Eos

Weakness classification (CWE)

CWE-670 — Always-Incorrect Control Flow Implementation

References

psirt@arista.com (vendor-advisory)

Frequently asked questions

What is CVE-2026-73468?: CVE-2026-73468 is a medium-severity vulnerability in Arista Networks Eos, classified under Always-Incorrect Control Flow Implementation. CVSS score: 6.5/10. Published 2026-09-16.
How severe is CVE-2026-73468?: Medium severity. CVSS v3 base score is 6.5 out of 10.