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HIGH · 8.1

CVE-2025-41756

A low-privileged remote attacker can exploit the ubr-editfile method in wwwubr.cgi, an undocumented and unused API endpoint to write arbitrary files on the system.

Vulnerability Description

A low-privileged remote attacker can exploit the ubr-editfile method in wwwubr.cgi, an undocumented and unused API endpoint to write arbitrary files on the system.

CVSS Score

8.1

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
Mbs-SolutionsUniversal Bacnet Router Firmware< 6.0.1.0
Mbs-SolutionsUbr-01 Mk Ii-
Mbs-SolutionsUbr-02-
Mbs-SolutionsUbr-Lon-

Related Weaknesses (CWE)

CWE-1242

References

FAQ

What is CVE-2025-41756?

CVE-2025-41756 is a vulnerability with a CVSS score of 8.1 (HIGH). A low-privileged remote attacker can exploit the ubr-editfile method in wwwubr.cgi, an undocumented and unused API endpoint to write arbitrary files on the system.

How severe is CVE-2025-41756?

CVE-2025-41756 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-41756?

Check the references section above for vendor advisories and patch information. Affected products include: Mbs-Solutions Universal Bacnet Router Firmware, Mbs-Solutions Ubr-01 Mk Ii, Mbs-Solutions Ubr-02, Mbs-Solutions Ubr-Lon.