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CVE-2026-23571— Command Injection in 1E-Nomad-RunPkgStatusRequest Instruction in TeamViewer DEX

Quick assessment

Affected
TeamViewer DEX
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.

TeamViewer DEX Client是德国TeamViewer公司的一个数字化员工体验和终端管理软件。 TeamViewer DEX Client存在安全漏洞，该漏洞源于输入验证不当，可能导致经过身份验证的攻击者通过恶意命令注入执行任意命令。

CVSS 6.8 · Medium EPSS 0.77% · P54
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I. Basic Information for CVE-2026-23571

Vulnerability Information
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Vulnerability Title
Command Injection in 1E-Nomad-RunPkgStatusRequest Instruction in TeamViewer DEX
Source: CVE Program / CVE List V5
Vulnerability Description
A command injection vulnerability was discovered in TeamViewer DEX (former 1E DEX), specifically within the 1E-Nomad-RunPkgStatusRequest instruction. Improper input validation allows authenticated attackers with actioner privilege to run elevated arbitrary commands on connected hosts via malicious commands injected into the instruction’s input field. Users of 1E Client version 24.5 or higher are not affected.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
TeamViewer DEX Client 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TeamViewer DEX Client是德国TeamViewer公司的一个数字化员工体验和终端管理软件。 TeamViewer DEX Client存在安全漏洞，该漏洞源于输入验证不当，可能导致经过身份验证的攻击者通过恶意命令注入执行任意命令。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
TeamViewer DEX 0 ~ 20 -

II. Public POCs for CVE-2026-23571

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III. Intelligence Information for CVE-2026-23571

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Same Patch Batch · TeamViewer · 2026-01-29 · 9 CVEs total

CVE-2026-23570 6.5 MEDIUM Log timestamp tampering vulnerability in Content Distribution Service
CVE-2026-23569 6.5 MEDIUM Out-of-bounds read vulnerability in Content Distribution Service
CVE-2026-23564 6.5 MEDIUM Transmission of Unencrypted Data in Content Distribution Service
CVE-2026-23565 6.5 MEDIUM Denial-of-Service in Content Distribution Service
CVE-2026-23567 6.5 MEDIUM Integer underflow in Content Distribution Service UDP handler
CVE-2026-23566 6.5 MEDIUM Log Injection in Content Distribution Service UDP Handler
CVE-2026-23563 5.7 MEDIUM Privilege escalation in TeamViewer DEX via DeleteFileByPath instruction
CVE-2026-23568 5.4 MEDIUM Out-of-bounds read vulnerability in Content Distribution Service

IV. Related Vulnerabilities

Same product: DEX
Same vendor: TeamViewer
Same weakness: CWE-20

V. Comments for CVE-2026-23571

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