Arista NetworksCVE-2026-73464
Arista Networks EOS: remote code execution
High8.7CVE-2026-73464 · Published Sep 16, 2026 · updated Sep 17, 2026
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 versions
| Package | Affected | Fixed in |
|---|---|---|
| EOS Product | >= 4.29.0F, < 4.30.0F | 4.30.0F |
| >= 4.30.0F, < 4.31.0F | 4.31.0F | |
| >= 4.31.0F, < 4.32.0F | 4.32.0F | |
| >= 4.32.0F, < 4.33.0F | 4.33.0F |
Details and references
- CVSS 4.0
- 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-94
More Arista Networks advisories
All Arista Networks| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Sep 16 | Arista Networks EOS: remote code execution | Critical9.2 | No fix yet |
| Sep 16 | Arista Networks EOS: secrets in logs | Medium6.0 | No fix yet |
| Sep 16 | Arista Networks EOS: out-of-bounds read | High7.1 | No fix yet |
| Sep 16 | Arista Networks EOS: secrets in logs | Low2.1 | No fix yet |
| Sep 16 | Arista Networks EOS: denial of service | Medium5.3 | No fix yet |
| Sep 16 | Arista Networks VeloCloud Edge: missing authentication | High8.7 | 5.2.0.0+3 more |