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VAR-202507-2455

Vulnerability from variot - Updated: 2025-11-18 15:11

An unauthenticated remote attacker could exploit a buffer overflow vulnerability in the device causing a denial of service that affects only the network initializing wizard (Conftool) service. MB CONNECT LINE's mbNET.mini is an industrial router designed specifically for industrial scenarios, primarily used to enable secure remote connections between machines and systems.

MB CONNECT LINE's mbNET.mini contains a buffer overflow vulnerability. This vulnerability occurs due to a boundary error when processing untrusted input

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CVE-2025-41679 (GCVE-0-2025-41679)

Vulnerability from cvelistv5 – Published: 2025-07-21 09:31 – Updated: 2025-11-03 19:59

Title

Unauthenticated Buffer Overflow in Conftool Service Leading to Denial of Service

Summary

An unauthenticated remote attacker could exploit a buffer overflow vulnerability in the device causing a denial of service that affects only the network initializing wizard (Conftool) service.

Severity ?

5.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CWE

CWE-787 - Out-of-bounds Write

Assigner

CERTVDE

References

URL

Tags

https://certvde.com/de/advisories/VDE-2025-058

Impacted products

Vendor

Product

Version

MB connect line

mbNET.mini

Affected: 0.0.0 , < 2.3.3 (semver)

Helmholz

REX 100

Affected: 0.0.0 , < 2.3.3 (semver)

Credits

F. Bruckmoser, M. Eder, J. Heigl, M. Heudorn, G. Hofmarcher, M. Kadlec, M. Pristauz-Telsnigg, S. Resch, P. Schweinzer, M. Gschiel from St. Poelten UAS

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

VAR-202507-2455

CVE-2025-41679 (GCVE-0-2025-41679)

Tags

Sightings

Nomenclature