CVE-2025-66269 Details
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
A vulnerability exists in the RupsMon and USBMate services of MegaTec UPSilon 2000, which run with SYSTEM privileges and feature unquoted service paths. This configuration enables local attackers to intercept paths and escalate privileges, provided they have write permissions in the directories leading to the actual service executables.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Nov 26, 2025CISA-ADP
Assessed Nov 26, 2025References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://www.megatec.com.tw/software-download/ | Gridware | Vendor |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-428 | Unquoted Search Path or Element | Gridware |
Affected Products
| Product | Versions |
|---|---|
| MegaTec UPSilon 2000 | All versions |
CPE
Remediation
| |
Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | Gridware |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Nov 26, 2025 | New CVE Received | Gridware |