Vulnerability · Published Nov 26, 2025 · Assigned by Gridware
CVE-2025-66269Unquoted Service Path in UPSilon2000V6.0(RupsMon and USBMate) running as SYSTEM
High 7.1
In plain English
A high-severity security flaw in UPSilon2000V6.0 from MegaTec Taiwan. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 2% of all known vulnerabilities).
Severity (CVSS 4.0)7.1High
Exploit odds (30 days)0.1%top 97.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| MegaTec Taiwan | UPSilon2000V6.0 | 6.0.5 |
Weakness: CWE-428 · Vector: 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