CVE-2026-40852— Command injection via malicious configuration
Quick assessment
Affected
MB connect line mbNET/mbNET.rokey
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.
MB Connect Line mbNET和MB Connect Line mbNET.mini都是德国MB Connect Line公司的产品。MB Connect Line mbNET是一款工业路由器。MB Connect Line mbNET.mini是一款远程接入路由器。 MB Connect Line mbNET和MB Connect Line mbNET.mini存在操作系统命令注入漏洞，该漏洞源于高权限攻击者可在配置生成器中注入有效载荷，设备未正确检查配置值即传递给系统执行，可能导致代码执行
Possible ATT&CK Techniques 2 AI
T1068 · Exploitation for Privilege Escalation T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 8
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Helmholz | REX100 | 0.0.0≤ 3.0.2 |
affected |
3.0.2 |
affected | ||
| Helmholz | REX200/250 | 0.0.0≤ 8.4.4 |
affected |
8.4.4 |
affected | ||
| MB connect line | mbNET.mini | 0.0.0≤ 3.0.2 |
affected |
3.0.2 |
affected | ||
| MB connect line | mbNET/mbNET.rokey | 0.0.0≤ 8.4.4 |
affected |
8.4.4 |
affected |
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I. Basic Information for CVE-2026-40852
Vulnerability Information
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Vulnerability Title
Command injection via malicious configuration
Source: CVE Program / CVE List V5
Vulnerability Description
A highly authenticated attacker can alter the config generator injecting a payload into future created configurations. The device is not correctly checking this configuration value before passing it to an system execute leading to code execution. This can result in a total loss of confidentiality, integrity and availability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/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
Vulnerability Title
MB Connect Line mbNET和MB Connect Line mbNET.mini 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MB Connect Line mbNET和MB Connect Line mbNET.mini都是德国MB Connect Line公司的产品。MB Connect Line mbNET是一款工业路由器。MB Connect Line mbNET.mini是一款远程接入路由器。 MB Connect Line mbNET和MB Connect Line mbNET.mini存在操作系统命令注入漏洞，该漏洞源于高权限攻击者可在配置生成器中注入有效载荷，设备未正确检查配置值即传递给系统执行，可能导致代码执行
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 |
|---|---|---|---|---|
| MB connect line | mbNET/mbNET.rokey | 0.0.0 ~ 8.4.4 | - |
|
| MB connect line | mbNET.mini | 0.0.0 ~ 3.0.2 | - |
|
| MB connect line | mbNET/mbNET.rokey | 8.4.4 | - |
|
| MB connect line | mbNET.mini | 3.0.2 | - |
|
| Helmholz | REX200/250 | 0.0.0 ~ 8.4.4 | - |
|
| Helmholz | REX100 | 0.0.0 ~ 3.0.2 | - |
|
| Helmholz | REX200/250 | 8.4.4 | - |
|
| Helmholz | REX100 | 3.0.2 | - |
|
II. Public POCs for CVE-2026-40852
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-40852 (1)
Same Patch Batch · MB connect line · 2026-05-27 · 42 CVEs total
| CVE-2026-40851 | 8.4 HIGH | Command injection via USB |
| CVE-2026-40810 | 7.5 HIGH | Unauthenticated SQLi in userinfo Endpoint |
| CVE-2026-40850 | 7.5 HIGH | Unauthenticated SQLi in getAccountData function |
| CVE-2026-40816 | 7.5 HIGH | Unauthenticated SQLi in _mb24confi_getTagAlarm function |
| CVE-2026-40812 | 7.5 HIGH | Unauthenticated SQLi in getLiveValues function |
| CVE-2026-40811 | 7.5 HIGH | Unauthenticated SQLi in ssoabstractservice |
| CVE-2026-40813 | 7.5 HIGH | Unauthenticated SQLi in getLiveValues |
| CVE-2026-40818 | 7.5 HIGH | Unauthenticated SQLi in _mb24confi_getDevice function function |
| CVE-2026-40814 | 7.5 HIGH | Unauthenticated SQLi in _mb24confi_getTagAlarm function |
| CVE-2026-40819 | 7.5 HIGH | Unauthenticated SQLi in sync_data24 task |
| CVE-2026-40815 | 7.5 HIGH | Unauthenticated SQLi in _mb24api_getUserAccount function |
| CVE-2026-40817 | 7.5 HIGH | Unauthenticated SQLi in getAlarmProfiles function |
| CVE-2026-40833 | 7.1 HIGH | Authenticated SQLi in saveDashboardLayout function |
| CVE-2026-40836 | 7.1 HIGH | Authenticated SQLi in inmessage model |
| CVE-2026-40834 | 7.1 HIGH | Authenticated SQLi in saveDashboardLayout function |
| CVE-2026-40840 | 6.5 MEDIUM | Authenticated SQLi in VerifyCreateLicences function |
| CVE-2026-40832 | 6.5 MEDIUM | Authenticated SQLi in getDevicegroups function |
| CVE-2026-40839 | 6.5 MEDIUM | Authenticated SQLi in getComponentScalings function |
| CVE-2026-40841 | 6.5 MEDIUM | Authenticated SQLi in getProjectTags function |
| CVE-2026-40842 | 6.5 MEDIUM | Authenticated SQLi in getWidgetTags function |
Showing top 20 of 42 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
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Same vendor: MB connect line
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V. Comments for CVE-2026-40852
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