CVE-2025-41758: Arbitrary Write with wwwupload.cgi

Published Mar 9, 2026
·
Updated

A low-privileged remote attacker can exploit an arbitrary file write vulnerability in the wwupload.cgi endpoint. Due to path traversal this can lead to overwriting arbitrary files on the device and achieving a full system compromise.

Affected Software

4 affected components
All of the following
Mbs-solutions Universal Bacnet Router Firmware<6.0.1.0
Any of the following
Mbs-solutions Ubr-01 Mk Ii
Mbs-solutions Ubr-02
Mbs-solutions Ubr-lon

Event History

Mar 9, 2026
CVE Published
via MITRE·08:16 AM
Data Sourced
via MITRE·08:16 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·09:15 AM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2025-41758?

CVE-2025-41758 is categorized as a high-severity vulnerability due to its potential for full system compromise.

2

How do I fix CVE-2025-41758?

To fix CVE-2025-41758, update the affected Mbs-solutions Universal Bacnet Router Firmware to version 6.0.1.0 or later.

3

What systems are affected by CVE-2025-41758?

CVE-2025-41758 affects Mbs-solutions Universal Bacnet Router Firmware versions prior to 6.0.1.0.

4

Can CVE-2025-41758 be exploited remotely?

Yes, CVE-2025-41758 can be exploited by a low-privileged remote attacker via the wwupload.cgi endpoint.

5

What are the risks associated with CVE-2025-41758?

The risks associated with CVE-2025-41758 include unauthorized file overwriting and the potential for full system compromise.

Contact

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Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
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