Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-40820— Authenticated SQLi in getVpnData function

Quick assessment

Affected
MB connect line mbCONNECT24
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.

高权限的远程攻击者可利用 函数中因 SQL SELECT 语句内特殊元素未得到适当中和而引发的未认证 SQL 注入漏洞，导致机密性完全丧失。

CVSS 4.9 · Medium
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-40820

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Authenticated SQLi in getVpnData function
Source: CVE Program / CVE List V5
Vulnerability Description
A high privileged remote attacker can exploit an unauthenticated SQL Injection vulnerability in the getVpnData function due to improper neutralization of special elements in a SQL SELECT command. This can result in a total loss of confidentiality.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
MB connect line mbCONNECT24 1.0.0 ~ 2.20.0 -
MB connect line mymbCONNECT24 1.0.0 ~ 2.20.0 -
MB connect line mbCONNECT24 2.20.0 -
MB connect line mymbCONNECT24 2.20.0 -
Helmholz myREX24V2 1.0.0 ~ 2.20.0 -
Helmholz myREX24V2.virtual 1.0.0 ~ 2.20.0 -
Helmholz myREX24V2 2.20.0 -
Helmholz myREX24V2.virtual 2.20.0 -

II. Public POCs for CVE-2026-40820

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-40820

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-40820 (2)

IV. Related Vulnerabilities

Same product: mbCONNECT24
Same vendor: MB connect line
Same weakness: CWE-89