CVE-2025-41765 Unchecked role in wwwupload.cgi
An unauthorized remote attacker can exploit the wwwupload.cgi endpoint to upload and apply arbitrary data, potentially compromising system integrity and security.
- 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-2025-41765?
CVE-2025-41765 is a critical missing authorization 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
Due to insufficient authorization enforcement, an unauthorized remote attacker can exploit the wwwupload.cgi endpoint to upload and apply arbitrary data. This includes, but is not limited to, contact images, HTTPS certificates, system backups for restoration, server peer configurations, and BACnet/SC server certificates and keys.
Weakness: CWE-862
Which versions are affected by CVE-2025-41765?
It affects 1 product.
Products include Mbs-Solutions Universal Bacnet Router Firmware.
How do I fix CVE-2025-41765?
No fix has been published for CVE-2025-41765 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2025-41765 being exploited?
There is no known exploitation of CVE-2025-41765 in the wild and no public exploit code.
Other vulnerabilities in MBS UBR-01 Mk II
Sources
Also known as GHSA-jwj6-8fh8-pw76.