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I. Basic Information for CVE-2025-66266
Vulnerability Information

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Vulnerability Title
Insecure SYSTEM Service Permissions in UPSilon2000V6.0 (RupsMon.exe) leading to trivial Local Privilege Escalation
Source: NVD (National Vulnerability Database)
Vulnerability Description
The RupsMon.exe service executable in UPSilon 2000 has insecure permissions, allowing the 'Everyone' group Full Control. A local attacker can replace the executable with a malicious binary to execute code with SYSTEM privileges or simply change the config path of the service to a command; starting and stopping the service to immediately achieve code execution and privilege escalation
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
特权管理不恰当
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,该漏洞源于权限不安全,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
VendorProductAffected VersionsCPESubscribe
MegaTec TaiwanUPSilon2000V6.0 6.0.5 -
II. Public POCs for CVE-2025-66266
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III. Intelligence Information for CVE-2025-66266
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