CVSS 10.0 (critical) ยท published 2026-09-16
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.
Weakness: CWE-94
Source: NVD CVE-2026-73456
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