Vulnerability details
CVE-2026-73464
Arista Networks EOS
Security Advisory 0166
CVSS 4.0
8.7High
Official 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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 8.7High | 4.0 | CVEProject cvelistV5 (CNA) (Arista) | 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 |
| 8.8High | 3.1 | CVEProject cvelistV5 (CNA) (Arista) | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Arista Networks | EOS | 4.29.0F ≤ v < 4.30.0F | CVEProject cvelistV5 (CNA) |
| Arista Networks | EOS | 4.30.0F ≤ v < 4.31.0F | CVEProject cvelistV5 (CNA) |
| Arista Networks | EOS | 4.31.0F ≤ v < 4.32.0F | CVEProject cvelistV5 (CNA) |
| Arista Networks | EOS | 4.32.0F ≤ v < 4.33.0F | CVEProject cvelistV5 (CNA) |
| Arista Networks | EOS | 4.33.0F ≤ v ≤ 4.33.8M | CVEProject cvelistV5 (CNA) |
| Arista Networks | EOS | 4.34.0F ≤ v ≤ 4.34.7M | CVEProject cvelistV5 (CNA) |
| Arista Networks | EOS | 4.35.0F ≤ v ≤ 4.35.5M | CVEProject cvelistV5 (CNA) |
| Arista Networks | EOS | 4.36.0F ≤ v ≤ 4.36.0.1F | CVEProject cvelistV5 (CNA) |
References and advisories
1
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Details
- Published
- 2026-09-16
- Last updated
- 2026-09-17
- State
- Published
- Assigner (CNA)
- Arista
Exploit prediction (EPSS)
0.63%
Probability of exploitation in 30 days
50.8%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-94Improper Control of Generation of Code ('Code Injection')