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Vulnerabilities

Vulnerability · CVE-2025-66269

The RupsMon and USBMate services in UPSilon 2000 run with SYSTEM privileges and contain unquoted service paths.

Published Nov 26, 2025 · catalog updated Nov 26, 2025 · MegaTec Taiwan UPSilon2000V6.0

Last checked Nov 6, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-66269. EPSS is 0.13%. Act only if a listed version of MegaTec Taiwan UPSilon2000V6.0 is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
High7.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.13%
Remediation
Vendor / distro source
Affected products
vendor MegaTec Taiwan UPSilon2000V6.0 6.0.5

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

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor MegaTec Taiwan UPSilon2000V6.0 6.0.56.0.5

How to fix CVE-2025-66269

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-66269. EPSS is 0.13%. Act only if a listed version of MegaTec Taiwan UPSilon2000V6.0 is installed.

Which versions are affected?

Compare what you have installed with MegaTec Taiwan UPSilon2000V6.0 6.0.5 6.0.5. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.13%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Nov 26, 2025 · EUVD

    Detected

    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

  2. Nov 26, 2025 · EUVD

    Updated

    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

Sources

  • CVE.orgVulnerability recordCVE-2025-66269

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-66269

    30-day exploitation probability 0.13%

    first.org
  • EUVDVulnerability recordEUVD-2025-199687

    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 se

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 6, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 6, 2026
  • CVE.orgOct 28, 2026
  • EUVDOct 28, 2026