SecuriTricks - CVE-2025-66269

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

Product(s) Impacted

Vendor	Product	Versions
Upsilon	Upsilon 2000	*

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-428

Unquoted Search Path or Element

The product uses a search path that contains an unquoted element, in which the element contains whitespace or other separators. This can cause the product to access resources in a parent path.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	upsilon	upsilon_2000	/	/	/	/	/	/	/	/

References

https://www.megatec.com.tw/software-download/

CVSS Score

7.1 / 10

CVSS Data - 4.0

Attack Vector: LOCAL
Attack Complexity: LOW
Attack Requirements: PRESENT
Privileges Required: LOW
User Interaction: NONE
Scope:
Confidentiality Impact: HIGH
Integrity Impact: LOW
Availability Impact: LOW
Exploit Maturity: NOT_DEFINED

CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:L/VA:L/SC:H/SI:L/SA:L/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

View Vector String

Timeline

Published: Nov. 26, 2025, 2:15 a.m.
Last Modified: Nov. 26, 2025, 2:15 a.m.

Status : Received

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

b7efe717-a805-47cf-8e9a-921fca0ce0ce

CVE-2025-66269