CVE-2025-66269— Unquoted Service Path in UPSilon2000V6.0(RupsMon and USBMate) running as SYSTEM
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I. Basic Information for CVE-2025-66269
Vulnerability Information
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Vulnerability Title
Unquoted Service Path in UPSilon2000V6.0(RupsMon and USBMate) running as SYSTEM
Source: NVD (National Vulnerability Database)
Vulnerability 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
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
未经引用的搜索路径或元素
Source: NVD (National Vulnerability Database)
Vulnerability Title
MegaTec UPSilon2000 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MegaTec UPSilon2000是中国台湾鼎坚（MegaTec）公司的一个不间断电源监控和控制软件。 MegaTec UPSilon2000存在安全漏洞，该漏洞源于未加引号的服务路径，可能导致权限提升。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| MegaTec Taiwan | UPSilon2000V6.0 | 6.0.5 | - |
II. Public POCs for CVE-2025-66269
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · MegaTec Taiwan · 2025-11-26 · 4 CVEs total
| CVE-2025-66264 | Unquoted Service path in UPSilon2000V6.0 SYSTEM privilege service | |
| CVE-2025-66265 | Insecure permissions in configuration directory (C:\\usr) | |
| CVE-2025-66266 | Insecure SYSTEM Service Permissions in UPSilon2000V6.0 (RupsMon.exe) leading to trivial Lo |
IV. Related Vulnerabilities
Same weakness: CWE-428
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V. Comments for CVE-2025-66269
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