CVE-2025-41758 HIGH

CVE-2025-41758: Arbitrary Write with wwwupload.cgi

Vendor Mbs
Product UBR-01 Mk II
Weakness CWE-22 · Path traversal
Published March 9, 2026
Last update March 9, 2026
View on NVD All CVEs

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

A low-privileged remote attacker can exploit an arbitrary file write vulnerability in the wwupload.cgi endpoint. Due to path traversal this can lead to overwriting arbitrary files on the device and achieving a full system compromise.

Key dates

02Disclosure timeline

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