CVE-2026-73468

MEDIUMCVSS 6.5/10EPSS 0.25%

Last modified

CVE-2026-73468 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 0.25% chance of exploitation in the next 30 days.

Description

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.

Metrics

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
Arista NetworksEOS>= 1.0.0, < 4.33.0F; >= 4.33.0F, <= 4.33.8M; >= 4.34.0F, <= 4.34.7.1M; >= 4.35.0F, <= 4.35.5M; >= 4.36.0F, <= 4.36.1F

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is 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.
How severe is CVE-2026-73468?
CVE-2026-73468 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.25% probability of exploitation in the next 30 days.
How do I fix CVE-2026-73468?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST