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CVE-2026-33616— MB connect line mbCONNECT24 vulnerable to an unauthenticated SQL injection in the mb24api Endpoint

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.

MB Connect Line mbCONNECT24是德国MB Connect Line公司的一套远程服务门户网站。该产品支持远程接入、数据记录和报警等功能。 MB connect line mbCONNECT24存在SQL注入漏洞，该漏洞源于SQL SELECT命令特殊元素中和不当，可能导致盲SQL注入攻击。

CVSS 7.5 · High EPSS 0.57% · P45
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I. Basic Information for CVE-2026-33616

Vulnerability Information
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Vulnerability Title
MB connect line mbCONNECT24 vulnerable to an unauthenticated SQL injection in the mb24api Endpoint
Source: CVE Program / CVE List V5
Vulnerability Description
An unauthenticated remote attacker can exploit an unauthenticated blind SQL Injection vulnerability in the mb24api endpoint 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:N/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
Vulnerability Title
MB Connect Line mbCONNECT24 SQL注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MB Connect Line mbCONNECT24是德国MB Connect Line公司的一套远程服务门户网站。该产品支持远程接入、数据记录和报警等功能。 MB connect line mbCONNECT24存在SQL注入漏洞，该漏洞源于SQL SELECT命令特殊元素中和不当，可能导致盲SQL注入攻击。
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 mbCONNECT24 0.0.0 ~ 2.19.4 -
MB connect line mymbCONNECT24 0.0.0 ~ 2.19.4 -

II. Public POCs for CVE-2026-33616

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III. Intelligence Information for CVE-2026-33616

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Vendor Advisories for CVE-2026-33616 (2)

Same Patch Batch · MB connect line · 2026-04-02 · 5 CVEs total

CVE-2026-33615 9.1 CRITICAL MB connect line mbCONNECT24 vulnerable to an unauthenticated SQL injection in the setinfo
CVE-2026-33614 7.5 HIGH MB connect line mbCONNECT24 vulnerable to an unauthenticated SQL injection in the getinfo
CVE-2026-33613 7.2 HIGH MB connect line mbCONNECT24 vulnerable to RCE in generateSrpArray
CVE-2026-33617 5.3 MEDIUM MB connect line mbCONNECT24 vulnerable to an unauthenticated information disclosure in the

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-33616

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