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Status published
High
CVE-2025-66264
Unquoted Service path in UPSilon2000V6.0 SYSTEM privilege service
Vulnerability Description
The CMService.exe service runs with SYSTEM privileges and contains an unquoted service path. This allows a local attacker with write privileges to the filesystem to insert a malicious executable in the path, leading to privilege escalation.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Abdul Mhanni
More from MegaTec Taiwan
View All →CVE-2025-66269
Unquoted Service Path in UPSilon2000V6.0(RupsMon and USBMate) running as SYSTEM
High
7.1
CVE-2025-66266
Insecure SYSTEM Service Permissions in UPSilon2000V6.0 (RupsMon.exe) leading to trivial Local Privilege Escalation
Critical
9.3
CVE-2025-66265
Insecure permissions in configuration directory (C:\\usr)
Medium
6.9
Affected Vendor
MegaTec Taiwan
View all reports →Affected Software
ClientMate
Vulnerable Versions:
6.2.2
Timeline
Official Publish:
November 26th, 2025
Last Modified:
November 26th, 2025
Added to House:
July 22nd, 2026