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CVE-2024-45273— MB connect line/Helmholz: Weak encryption of configuration file

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之前版本存在安全漏洞，该漏洞源于未经身份验证的本地攻击者可以解密设备配置文件。

CVSS 8.4 · High EPSS 0.09% · P1

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2024-45273

Vulnerability Information
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Vulnerability Title
MB connect line/Helmholz: Weak encryption of configuration file
Source: CVE Program / CVE List V5
Vulnerability Description
An unauthenticated local attacker can decrypt the devices config file and therefore compromise the device due to a weak implementation of the encryption used.
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
口令使用弱密码学算法
Source: CVE Program / CVE List V5
Vulnerability Title
Helmholz REX100 安全漏洞
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之前版本存在安全漏洞，该漏洞源于未经身份验证的本地攻击者可以解密设备配置文件。
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 -
MB connect line mbNET/mbNET.rokey 0.0.0 ~ 8.2.0 -
MB connect line mbNET HW1 0.0.0 ~ 5.1.11 -
MB connect line mbSPIDER 0.0.0 ~ 2.6.5 -
MB connect line mbCONNECT24 0.0.0 ~ 2.16.2 -
MB connect line mymbCONNECT24 0.0.0 ~ 2.16.2 -
Helmholz REX100 0.0.0 ~ <= 2.2.13 -
Helmholz REX200/250 0.0.0 ~ <= 8.2.0 -
Helmholz myREX24 V2 0.0.0 ~ <= 2.16.2 -
Helmholz myREX24.virtual 0.0.0 ~ <= 2.16.2 -
Helmholz REX300 0.0.0 ~ <= 5.1.11 -

II. Public POCs for CVE-2024-45273

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III. Intelligence Information for CVE-2024-45273

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Vendor Advisories for CVE-2024-45273 (2)

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-2024-45271 8.4 HIGH MB connect line/Helmholz: Remote code execution due to improper input validation
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-261

V. Comments for CVE-2024-45273

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