Skip to content
CVE PROGRAM SOURCE RECORD9.2 Critical

CVE-2026-73456

Under certain circumstances, an unauthenticated gNPSI client can craft a malicious request to allow arbitrary code execution, granting an attacker full administrative control over the compromised switch.

Read JSON ↗CVE.org ↗
Status
Published
Published
Updated
Assigning organization
Arista

Description

Under certain circumstances on affected platforms running Arista EOS with gRPC Network Packet Sampling Interface (gNPSI) enabled, an unauthenticated gNPSI client can craft a malicious request to allow arbitrary code execution, granting an attacker full administrative control over the compromised switch.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Arista Networks EOS

Default version status: unaffected

  • 4.36.0 to ≤ 4.36.1Faffected
  • 4.35.0 to ≤ 4.35.5Maffected
  • 4.34.2F to ≤ 4.34.7Maffected

References