CVE-2025-66269: Megatec Taiwan UPSILON2000V6.0

High severity, CVSS 7.1. EPSS: 0.1% chance of exploitation in the next 30 days.

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

Affected products

Published 2025-11-26. Last modified 2026-06-17.