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mbCONNECT24 CVE-2026-40835

| EUVD-2026-32134 HIGH
SQL Injection (CWE-89)
2026-05-27 info@cert.vde.com GHSA-29h3-fj72-mp7v
SQLi
7.1
CVSS 4.0
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CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

1
Analysis Generated
May 27, 2026 - 20:04 vuln.today

DescriptionNVD

An low privileged remote attacker can exploit an unauthenticated SQL Injection vulnerability in the saveObjectFromData function due to improper neutralization of special elements in a SQL SELECT command. This can result in a total loss of confidentiality.

AnalysisAI

SQL injection in the MB connect line mbCONNECT24 / myREX24 family of industrial remote-maintenance gateways (all listed editions through 2.20.0) lets a low-privileged remote user feed crafted input into a SQL SELECT statement assembled by the saveObjectFromData function, exposing the full backend database for reading. Reported by CERT@VDE (advisory VDE-2026-044, EUVD-2026-32134), the issue is a confidentiality-only impact (CVSS 4.0 base 7.1, VC:H/VI:N/VA:N). …

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RemediationAI

Within 24 hours: inventory all mbCONNECT24 and myREX24 deployments at versions 2.20.0 and earlier; map network accessibility. Within 7 days: implement network segmentation restricting remote access to gateways; enable database query logging with alerting for unusual SELECT activity. …

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CVE-2026-40835 vulnerability details – vuln.today
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