Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-73447— Security Advisory 0162 - gNSI Certz/Bootz OS Command Injection via Crafted Rotate Request

Quick assessment

Affected
Arista Networks EOS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

具备较高权限的攻击者可以利用特定操作以 root 权限执行任意命令，从而导致设备被完全控制。经过认证的用户可以利用 Arista EOS 系列产品中 gRPC 网络安全接口（gNSI）中的 Certz 服务进行权限提升，并通过构造的 Certz 轮换请求执行任意操作系统命令。Bootz 服务也受到影响。

CVSS 9.1 · Critical EPSS 0.70% · P53

Affected Version Matrix 7

VendorProduct Version RangeStatus
Arista Networks EOS 4.30.2F< 4.31.0F affected
4.31.0F< 4.32.0F affected
4.32.0F< 4.33.0F affected
4.33.0F≤ 4.33.8M affected
4.34.0F≤ 4.34.7M affected
4.35.0F≤ 4.35.5M affected
4.36.0F≤ 4.36.0.1F affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-73447

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Security Advisory 0162 - gNSI Certz/Bootz OS Command Injection via Crafted Rotate Request
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Arista Networks EOS 4.30.2F ~ 4.31.0F -

II. Public POCs for CVE-2026-73447

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-73447

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-73447 (1)

Same Patch Batch · Arista Networks · 2026-09-16 · 28 CVEs total

CVE-2026-73456 10.0 CRITICAL Under certain circumstances, an unauthenticated gNPSI client can craft a malicious request
CVE-2026-73453 10.0 CRITICAL Security Advisory 0174
CVE-2026-86106 9.6 CRITICAL Security Advisory 0179
CVE-2026-73464 8.8 HIGH Security Advisory 0166
CVE-2026-73435 8.2 HIGH Security Advisory 0171
CVE-2026-73454 8.1 HIGH Security Advisory 0165
CVE-2026-86108 8.0 HIGH Security Advisory 0181
CVE-2026-73461 8.0 HIGH Security Advisory 0163
CVE-2026-73439 7.5 HIGH Security Advisory 0164
CVE-2026-73455 7.5 HIGH Security Advisory 0173
CVE-2026-2380 7.4 HIGH Security Advisory 0168
CVE-2026-73450 6.9 MEDIUM Security Advisory 0161
CVE-2026-86109 6.6 MEDIUM Security Advisory 0182
CVE-2026-73462 6.5 MEDIUM On affected platforms running Arista EOS with IGMP (Internet Group Management Protocol) sn
CVE-2026-77190 6.5 MEDIUM Security Advisory 0177
CVE-2026-73468 6.5 MEDIUM Security Advisory 0175
CVE-2026-73436 6.5 MEDIUM Security Advisory 0171
CVE-2026-86107 5.9 MEDIUM Security Advisory 0180
CVE-2026-73469 5.8 MEDIUM Security Advisory 0176
CVE-2026-73438 5.3 MEDIUM Security Advisory 0172

Showing top 20 of 28 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: EOS
Same vendor: Arista Networks
Same weakness: CWE-78