CVE-2025-66269 HIGH

CVE-2025-66269: Unquoted Service Path in UPSilon2000V6.0(RupsMon and USBMate) running as SYSTEM

Vendor Megatec Taiwan
Product UPSilon2000V6.0
Weakness CWE-428
Published November 26, 2025
Last update November 26, 2025

CVSS base score

7.1/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:L/VA:L/SC:H/SI:L/SA:L

What the vulnerability does

01Description

The RupsMon and USBMate services in UPSilon 2000 run with SYSTEM privileges and contain unquoted service paths. This allows a local attacker to perform path interception and escalate privileges if they have write permissions to the directories proceeding that of which the real service executables live in

Key dates

02Disclosure timeline

November 26, 2025 CVE published
November 26, 2025 Record updated