CVE-2025-41767 HIGH

CVE-2025-41767: Signature bypass on update upload

Vendor Mbs
Product UBR-01 Mk II
Weakness CWE-347
Published March 9, 2026
Last update March 9, 2026

CVSS base score

7.2/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

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