CVE-2025-41772: wwwupdate.cgi Session token in URL

Published Mar 9, 2026
·
Updated

An unauthenticated remote attacker can obtain valid session tokens because they are exposed in plaintext within the URL parameters of the wwwupdate.cgi endpoint in UBR.

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·08:18 AM
Data Sourced
via MITRE·08:18 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·09:16 AM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2025-41772?

The severity of CVE-2025-41772 is critical due to the exposure of session tokens in plaintext, allowing unauthenticated remote attackers to exploit it.

2

How do I fix CVE-2025-41772?

To fix CVE-2025-41772, ensure that session tokens are not transmitted in plain URL parameters and are instead sent securely through HTTP headers.

3

Which software is affected by CVE-2025-41772?

CVE-2025-41772 affects the Universal Bacnet Router Firmware version below 6.0.1.0.

4

What are the consequences of exploiting CVE-2025-41772?

Exploiting CVE-2025-41772 allows attackers to hijack valid sessions, potentially leading to unauthorized access to the system.

5

Is there a patch available for CVE-2025-41772?

As of now, there is no public patch available for CVE-2025-41772, but users are advised to monitor updates from MBS Solutions.

Contact

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