CVE-2026-73447Security Advisory 0162 - gNSI Certz/Bootz OS Command Injection via Crafted Rotate Request
Updated under an hour ago ()
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It affects Arista Networks EOS. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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A privileged attacker can exploit certain operation to execute arbitrary commands with root privileges, leading to full device compromise. An authenticated user can exploit gRPC Network Security Interface (gNSI) Certz service on Arista EOS-based products to escalate privileges and execute arbitrary OS commands via a crafted Certz Rotate request. The Bootz service is also affected.
- CVSS
- 9.1 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
- Weakness (CWE)
- CWE-78
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Arista
- NVD analysis
- Awaiting Analysis
- Record last updated
- Sep 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Arista Networks EOS arista_networks:eos (from the name) | from 4.30.2F before 4.31.0F; affected at 4.30.2F; 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; from 4.35.0F through 4.35.5M; from 4.36.0F through 4.36.0.1F | CNA record |
References
- https://www.arista.com/en/support/advisories-notices/security-advisory/24718-security-advisory-0162vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.