CVE-2026-73456EPSS p51.3%

CVE-2026-73456CVE-2026-73456

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.

Scoring

CVSS 10.0 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS0.69% probability of exploitation · percentile 51.3% · 2026-10-05T12:00:23Z
Last modified2026-09-17
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.