The following table lists the changes that have been made to the
CVE-2025-66266 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.
Nov. 26, 2025
| Action | Type | Old Value | New Value |
|---|---|---|---|
| Added | 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 | |
| Added | CVSS V4.0 | AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X | |
| Added | CWE | CWE-269 | |
| Added | Reference | https://www.megatec.com.tw/software-download/ |
CVE ID : CVE-2025-10304 Published : Dec. 3, 2025, 3:27 a.m. | 26 minutes ago Description : The Everest Backup –
CVE ID : CVE-2025-12585 Published : Dec. 3, 2025, 3:27 a.m. | 26 minutes ago Description : The MxChat – AI
Unit A5, Endeavour Business Park
Penner Road, Havant
PO9 1QN
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