CVE-2025-41757 HIGH

CVE-2025-41757: Arbitrary Write with ubr-restore

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

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 abuse the backup restore functionality of UBR (ubr-restore) which runs with elevated privileges and does not validate the contents of the backup archive to create or overwrite arbitrary files anywhere on the system.

Key dates

02Disclosure timeline

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