CVE-2026-73464

Security Advisory 0166

State: Published
Severity: 8.7 High
Published: Sep 16, 2026
Updated: Sep 17, 2026
Reserved: Aug 12, 2026

Description

On affected platforms running Arista EOS with gRPC Network Management Interface (gNMI) enabled, a specially crafted request could allow a malicious authenticated client with gRPC Network Management Interface (gNMI) access to execute arbitrary code with root privileges on the switch.

Scores

CVSS	Score	Vector	Source
4.0	8.7 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N	Arista
3.1	8.8 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	Arista

Weaknesses

CWE-94 Improper Control of Generation of Code ('Code Injection')

Affected Products

Product	Versions
EOSArista Networks	4.29.0F to before 4.30.0FAffected 4.30.0F to before 4.31.0FAffected 4.31.0F to before 4.32.0FAffected 4.32.0F to before 4.33.0FAffected 4.33.0F through 4.33.8MAffected 4.34.0F through 4.34.7MAffected 4.35.0F through 4.35.5MAffected 4.36.0F through 4.36.0.1FAffected

References

Arista Networks Security Advisory 0166vendor-advisory

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