CVE-2025-66269

Severity CVSS v4.0:

HIGH

Type:

CWE-428 Unquoted Search Path or Element

Publication date:

26/11/2025

Last modified:

26/11/2025

Description

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

Impact

Vector 4.0

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 CVSS v4.0 Severity and Metrics:

Base Score: 7.10 HIGH
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

Attack Vector (AV): Local
Attack Complexity (AC): Low
Attack Requirements (AT): Present
Privileges Required (PR): Low
User Interaction (UI): None
Confidentiality (VC): High
Integrity (VI): Low
Availability (VA): Low
Confidentiality (SC): High
Integrity (SI): Low
Availability (SA): Low

Base Score 4.0

7.10

Severity 4.0

HIGH

References to Advisories, Solutions, and Tools

https://www.megatec.com.tw/software-download/