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

High 7.5 Published Updated

Unauthenticated attackers can steal session tokens exposed in URLs, potentially leading to unauthorized access to UBR network devices.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-41772?

CVE-2025-41772 is a high-severity vulnerability in MBS UBR-01 Mk II, published on 9 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-598

Which versions are affected by CVE-2025-41772?

It affects 1 product.

Products include Mbs-Solutions Universal Bacnet Router Firmware.

How do I fix CVE-2025-41772?

No fix has been published for CVE-2025-41772 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-41772 being exploited?

There is no known exploitation of CVE-2025-41772 in the wild and no public exploit code.

Sources

Also known as GHSA-6w7x-2wq8-qrcf.

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