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CVE-2024-45271— MB connect line/Helmholz: Remote code execution due to improper input validation

Quick assessment

Affected
MB connect line mbNET.mini
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.

Helmholz REX100是Helmholz公司的一款无线路由器。 Helmholz REX100 2.3.1之前版本存在输入验证错误漏洞，该漏洞源于输入验证不当，未经身份验证的本地攻击者可以通过部署配置文件来获取管理员权限。

CVSS 8.4 · High EPSS 0.31% · P21

Possible ATT&CK Techniques 1 AI

T1505.003 · Web Shell
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I. Basic Information for CVE-2024-45271

Vulnerability Information
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Vulnerability Title
MB connect line/Helmholz: Remote code execution due to improper input validation
Source: CVE Program / CVE List V5
Vulnerability Description
An unauthenticated local attacker can gain admin privileges by deploying a config file due to improper input validation.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Helmholz REX100 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Helmholz REX100是Helmholz公司的一款无线路由器。 Helmholz REX100 2.3.1之前版本存在输入验证错误漏洞，该漏洞源于输入验证不当，未经身份验证的本地攻击者可以通过部署配置文件来获取管理员权限。
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.mini 0.0.0 ~ 2.2.13 -
Helmholz REX100 0.0.0 ~ 2.2.13 -

II. Public POCs for CVE-2024-45271

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III. Intelligence Information for CVE-2024-45271

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Same Patch Batch · MB connect line · 2024-10-15 · 6 CVEs total

CVE-2024-45274 9.8 CRITICAL MB connect line/Helmholz: Remote code execution via confnet service
CVE-2024-45275 9.8 CRITICAL MB connect line/Helmholz: Hardcoded user accounts with hard-coded passwords
CVE-2024-45273 8.4 HIGH MB connect line/Helmholz: Weak encryption of configuration file
CVE-2024-45272 7.5 HIGH MB connect line/Helmholz: Generation of weak passwords vulnerability
CVE-2024-45276 7.5 HIGH MB connect line/Helmholz: tmp directory exposed via webservice

IV. Related Vulnerabilities

Same product: mbNET.mini
Same vendor: MB connect line
Same weakness: CWE-94

V. Comments for CVE-2024-45271

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