What’s Vulnerable › Vulnerabilities
CVE-2026-73464: Security Advisory 0166
- Severity: high (CVSS 8.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.6% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-09-16 · updated 2026-09-17
- Weakness: CWE-94
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.
Affected products
- Arista Networks EOS: from 4.29.0F before 4.30.0F; from 4.30.0F before 4.31.0F; from 4.31.0F before 4.32.0F; from 4.32.0F before 4.33.0F; from 4.33.0F through 4.33.8M; from 4.34.0F through 4.34.7M — fixed in 4.30.0F, 4.31.0F, 4.32.0F, 4.33.0F
How to fix
Upgrade to a fixed version: Arista Networks EOS 4.30.0F, 4.31.0F, 4.32.0F, 4.33.0F. Check the vendor advisory for mitigations.
References
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