CVE-2025-41760 Pass filter with Empty Table
Administrators attempting to block all traffic via empty pass filters inadvertently allow unrestricted network access due to flawed logic in UBR devices.
- 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-2025-41760?
CVE-2025-41760 is a medium-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
An administrator may attempt to block all traffic by configuring a pass filter with an empty table. However, in UBR, an empty list does not enforce any restrictions and allows all network traffic to pass unfiltered.
Weakness: CWE-636
Which versions are affected by CVE-2025-41760?
It affects 1 product.
Products include Mbs-Solutions Universal Bacnet Router Firmware.
How do I fix CVE-2025-41760?
No fix has been published for CVE-2025-41760 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-41760 being exploited?
There is no known exploitation of CVE-2025-41760 in the wild and no public exploit code.
Other vulnerabilities in MBS UBR-01 Mk II
Sources
Also known as GHSA-vjr8-6jjg-p3hj.