CVE-2025-41756 HIGH

CVE-2025-41756: Arbitrary Write with ubr-editfile

Vendor Mbs
Product UBR-01 Mk II
Weakness CWE-1242
Published March 9, 2026
Last update March 9, 2026
View on NVD All CVEs

CVSS base score

8.1/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

March 9, 2026 CVE published
March 9, 2026 Record updated