CVE-2025-3090

highpriority · track · 0OT risk · elevatedEPSS 0.005 · 38 %ileDEEURU

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.45% (38th) EPSS

CVSS 8.2 · high

Is it mine?

16 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · helmholz_psirt

EPSS · scored 2026-10-23

An unauthenticated remote attacker can obtain limited sensitive information and/or DoS the device due to missing authentication for critical function.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

Fixedmb_connect_line_psirt
Update to latest version: 2.18.0
Fixedhelmholz_psirt
Update to latest version: 2.18.0

cvss

Technical severity, 0–10. One row per scoring source.

8.2

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.18.2highAV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.18.2highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Hsecondary · ENISA EU

v3.18.2highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Hsecondary · info@cert.vde.comexploitability 3.9 · impact 4.2

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.18.2highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Hsecondary · Helmholz PSIRT

v3.18.2highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Hsecondary · MB connect line PSIRT

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-306USCWE-306USCWE-306USCWE-306US

affected products (16)

Products and version ranges known to be affected.

mbCONNECT240 → 2.18.0enisa_euvdEU
myREX240 → 2.18.0enisa_euvdEU
myREX24.virtual0 → 2.18.0enisa_euvdEU
mymbCONNECT240 → 2.18.0enisa_euvdEU
MB connect line GmbH mbCONNECT24≤ 2.18.0fstec_bduRU
MB connect line GmbH myREX24≤ 2.18.0fstec_bduRU
MB connect line GmbH myREX24.virtual≤ 2.18.0fstec_bduRU
MB connect line GmbH mymbCONNECT24≤ 2.18.0fstec_bduRU
Firmware 2.18.0 installed on myREX24all versionsfixedhelmholz_psirtDE
Firmware 2.18.0 installed on myREX24.virtualall versionsfixedhelmholz_psirtDE
Firmware <2.18.0 installed on myREX24all versionshelmholz_psirtDE
Firmware <2.18.0 installed on myREX24.virtualall versionshelmholz_psirtDE
Firmware 2.18.0 installed on mbCONNECT24all versionsfixedmb_connect_line_psirtDE
Firmware 2.18.0 installed on mymbCONNECT24all versionsfixedmb_connect_line_psirtDE
Firmware <2.18.0 installed on mbCONNECT24all versionsmb_connect_line_psirtDE
Firmware <2.18.0 installed on mymbCONNECT24all versionsmb_connect_line_psirtDE

advisories (2)

Vendor and ecosystem advisories describing this.

VDE-2025-034Vulnerabilities in mbCONNECT24/mymbCONNECT242025-06-24csaf · mb_connect_line_psirtDE
The mb24api endpoint reachable when connected via VPN is missing authentication for sensitive functions. This can lead to information disclosure of user- and device names and to DoS.
VDE-2025-037Vulnerabilities in myREX24/myREX24.virtual2025-06-24csaf · helmholz_psirtDE
The mb24api endpoint reachable when connected via VPN is missing authentication for sensitive functions. This can lead to information disclosure of user- and device names and to DoS.

also known as (6)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu helmholz_psirt mb_connect_line_psirt NVD CVE.org MITRE

published 2025-06-24modified 2026-06-17

references (8)

External citations — patches, advisories, analysis.

scry

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