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CVE-2025-41681— Persistent Cross-Site Scripting via POST Requests Due to Improper Neutralization of Input

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.

MB Connect Line mbNET.mini是德国MB Connect Line公司的一款远程接入路由器。 MB Connect Line mbNET.mini 2.3.3之前版本存在跨站脚本漏洞，该漏洞源于对动态内容中特殊元素中和不当，可能导致持久型跨站脚本攻击。

CVSS 4.8 · Medium EPSS 0.29% · P20

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-41681

Vulnerability Information
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Vulnerability Title
Persistent Cross-Site Scripting via POST Requests Due to Improper Neutralization of Input
Source: CVE Program / CVE List V5
Vulnerability Description
A high privileged remote attacker can gain persistent XSS via POST requests due to improper neutralization of special elements used to create dynamic content.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
MB Connect Line mbNET.mini 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MB Connect Line mbNET.mini是德国MB Connect Line公司的一款远程接入路由器。 MB Connect Line mbNET.mini 2.3.3之前版本存在跨站脚本漏洞，该漏洞源于对动态内容中特殊元素中和不当，可能导致持久型跨站脚本攻击。
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 ~ 2.3.3 -
Helmholz REX 100 0.0.0 ~ 2.3.3 -

II. Public POCs for CVE-2025-41681

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III. Intelligence Information for CVE-2025-41681

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Vendor Advisories for CVE-2025-41681 (1)

Same Patch Batch · MB connect line · 2025-07-21 · 8 CVEs total

CVE-2025-41675 7.2 HIGH Remote Command Injection via GET in Cloud Server Communication Script Due to Improper Inpu
CVE-2025-41673 7.2 HIGH Remote Command Injection in send_sms Action Due to Improper Input Neutralization
CVE-2025-41674 7.2 HIGH Remote Command Injection in diagnostic Action Due to Improper Input Neutralization
CVE-2025-41678 6.5 MEDIUM SQL Injection via POST Requests Allowing Configuration Database Manipulation
CVE-2025-41679 5.3 MEDIUM Unauthenticated Buffer Overflow in Conftool Service Leading to Denial of Service
CVE-2025-41676 4.9 MEDIUM Resource Exhaustion via POST Requests to send-sms Action
CVE-2025-41677 4.9 MEDIUM Resource Exhaustion via POST Requests to send-mail Action

IV. Related Vulnerabilities

Same product: mbNET.mini
Same vendor: MB connect line
Same weakness: CWE-79

V. Comments for CVE-2025-41681

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