CVE-2025-41755: Arbitrary Read with ubr-logread

Published Mar 9, 2026
·
Updated

A low-privileged remote attacker can exploit the ubr-logread method in wwwubr.cgi to read arbitrary files on the system. The endpoint accepts a parameter specifying the log file to open (e.g., /tmp/weblog{somenumber}), but this parameter is not properly validated, allowing an attacker to modify it to reference any file and retrieve its contents.

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-2025-41755?

CVE-2025-41755 has a severity rating that indicates a low risk due to its arbitrary read vulnerability.

2

How do I fix CVE-2025-41755?

To fix CVE-2025-41755, ensure proper validation of input parameters in the ubr-logread method to restrict access to unauthorized files.

3

What software is affected by CVE-2025-41755?

CVE-2025-41755 affects Mbs-solutions Universal Bacnet Router Firmware versions up to 6.0.1.0.

4

Can CVE-2025-41755 be exploited remotely?

Yes, CVE-2025-41755 can be exploited by a low-privileged remote attacker to read arbitrary files.

5

What is the impact of exploiting CVE-2025-41755?

Exploiting CVE-2025-41755 allows an attacker to access sensitive files on the system, potentially leading to further attacks.

Contact

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