CVE-2025-41731

HighCVSS 7.4/10Last modified Oct 18, 2026

Description

A vulnerability was identified in the password generation algorithm when accessing the debug-interface. An unauthenticated local attacker with knowledge of the password generation timeframe might be able to brute force the password in a timely manner and thus gain root access to the device if the debug interface is still enabled.

Metrics

CVSS 3.1 7.4/10CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-338

Affected software

Vendor	Product	Versions
Jumo	variTRON300	>= 0.0.0.0, < 9.0.2.5
Jumo	variTRON500	>= 0.0.0.0, < 9.0.2.5
Jumo	variTRON500 touch	>= 0.0.0.0, < 9.0.2.5

References

https://jumo.csaf-tp.certvde.com/.well-known/csaf/white/2025/vde-2025-086.json

Timeline

Published: Nov 10, 2025
Last modified: Oct 18, 2026
NVD status: Deferred

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