How to fix or mitigate EUVD-2026-32123?

Within 24 hours: Inventory all instances of mbCONNECT24, myREX24V2, myREX24V2.virtual, and mymbCONNECT24 across your environment; prioritize systems running version 2.20.0 and earlier. Document the sensitivity of data accessible through these portals, particularly backend database contents. Within 7 days: Restrict network access to affected portals to authorized administrative networks only via firewall rules or network segmentation; enable database audit logging on all access patterns to the backend. Within 30 days: Monitor Moxa security advisories for patch release; prepare patching procedures for rapid deployment when version 2.20.1 or later becomes available.

EUVD-2026-32123

Q: What is the CVSS score of EUVD-2026-32123?

EUVD-2026-32123 has a CVSS 4.0 base score of 8.7 (High). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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. EPSS exploitation probability: 0.0%.

| CVE-2026-40818 HIGH

SQL Injection (CWE-89)

2026-05-27 info@cert.vde.com

GHSA-cg4r-j4fw-74jx

SQLi

8.7

CVSS 4.0

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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

None

User Interaction

None

Scope

Lifecycle Timeline

Analysis Generated

May 27, 2026 - 20:01 vuln.today

DescriptionNVD

An unauthenticated remote attacker can exploit an unauthenticated SQL Injection vulnerability in the _mb24confi_getDevice function due to improper neutralization of special elements in a SQL SELECT command. This can result in a total loss of confidentiality.

AnalysisAI

Unauthenticated SQL injection in the mbCONNECT24 remote-maintenance portal (and the related myREX24V2, myREX24V2.virtual and mymbCONNECT24 products, all versions up to and including 2.20.0) lets a remote attacker read arbitrary data from the backend database by abusing the _mb24confi_getDevice function. The flaw requires no credentials, no user interaction and low attack complexity over the network (CVSS 4.0 score 8.7), but its impact is confined to confidentiality. …

RemediationAI

Within 24 hours: Inventory all instances of mbCONNECT24, myREX24V2, myREX24V2.virtual, and mymbCONNECT24 across your environment; prioritize systems running version 2.20.0 and earlier. Document the sensitivity of data accessible through these portals, particularly backend database contents. …

Analysis

Detailed AI-generated intelligence summary covering attack vector, impact assessment, affected versions, remediation steps, and indicators of compromise.

POChttps://••••••••••.com/exploit

PATCHhttps://••••••••••.com/patch

ADVISORYhttps://••••••••••.com/advisory

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EUVD-2026-32123 vulnerability details – vuln.today

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EUVD-2026-32123

CVSS VectorNVD

Lifecycle Timeline

DescriptionNVD

AnalysisAI

RemediationAI

Analysis

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EUVD-2026-32123

CVSS VectorNVD

Lifecycle Timeline

DescriptionNVD

AnalysisAI

RemediationAI

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External POC / Exploit Code