[Japanese]

JVNDB-2025-000091

I-O DATA NarSuS App registers a Windows service with an unquoted file path

Overview

NarSuS App provided by I-O DATA DEVICE, INC. registers a Windows service with an unquoted file path.
NarSuS App provided by I-O DATA DEVICE, INC. contains the following vulnerability.
  • Unquoted search path or element (CWE-428) - CVE-2025-61865

Kazuma Matsumoto of GMO Cybersecurity by IERAE, Inc. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 6.7 (Medium) [IPA Score]
  • Attack Vector: Local
  • Attack Complexity: Low
  • Privileges Required: High
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: High
  • Integrity Impact: High
  • Availability Impact: High
Affected Products


I-O DATA DEVICE, INC.
  • NarSuS app versions prior to Ver.2.33

The affected product is available for multiple product series. For details, refer to the information provided by the developer.
Impact

A user with the write permission on the root directory of the system drive may execute arbitrary code with SYSTEM privilege.
Solution

[Update the Software]
Update the software to the latest version according to the information provided by the developer.
Vendor Information

I-O DATA DEVICE, INC.
CWE (What is CWE?)

  1. No Mapping(CWE-Other) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2025-61865
References

  1. JVN : JVN#03295012
Revision History

  • [2025/10/22]
      Web page was published

Date Public2025/10/22
Date First Published2025/10/22
Date Last Updated2025/10/22