CVE-2025-41767 Signature bypass on update upload
High-privileged attackers can compromise UBR devices by bypassing update signature checks in the web interface.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-41767?
CVE-2025-41767 is a high-severity vulnerability in MBS UBR-01 Mk II, published on 9 Mar 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A high-privileged remote attacker can fully compromise the device by abusing an update signature bypass vulnerability in the wwwupdate.cgi method in the web interface of UBR.
Weakness: CWE-347
Which versions are affected by CVE-2025-41767?
It affects 1 product.
Products include Mbs-Solutions Universal Bacnet Router Firmware.
How do I fix CVE-2025-41767?
No fix has been published for CVE-2025-41767 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-41767 being exploited?
There is no known exploitation of CVE-2025-41767 in the wild and no public exploit code.
Other vulnerabilities in MBS UBR-01 Mk II
Sources
Also known as GHSA-6hp4-rq8j-6v6j.