[Japanese]

JVNDB-2025-000004

Multiple vulnerabilities in I-O DATA router UD-LT2

Overview

UD-LT2 provided by I-O DATA DEVICE, INC. contains multiple vulnerabilities listed below.
  • OS Command Injection (CWE-78) - CVE-2025-20617, CVE-2025-26856
  • Inclusion of Undocumented Features (CWE-1242) - CVE-2025-22450
  • OS Command Injection (CWE-78) - CVE-2025-23237


CVE-2025-20617, CVE-2025-22450, CVE-2025-23237
Takeshi Kuramori, Kaori Takashima, and Kohei Masumi of National Institute of Information and Communications Technology, Cybersecurity Research Institute reported these vulnerabilities to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

CVE-2025-26856
Masashi Shiraishi of Mitsui Bussan Secure Directions, Inc. reported this vulnerability IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 7.5 (High) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: None
  • Integrity Impact: High
  • Availability Impact: None
The above CVSS base scores have been assigned for CVE-2025-22450

CVSS V3 Severity:
Base Metrics 7.2 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: High
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: High
  • Integrity Impact: High
  • Availability Impact: High
The above CVSS base scores have been assigned for CVE-2025-20617, CVE-2025-26856

CVSS V3 Severity:
Base Metrics 6.6 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: High
  • Privileges Required: High
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: High
  • Integrity Impact: High
  • Availability Impact: High
The above CVSS base scores have been assigned for CVE-2025-23237
Affected Products


I-O DATA DEVICE, INC.
  • UD-LT2 firmware Ver.1.00.008_SE and earlier

Impact

  • If an attacker logs in to the affected product with an administrative account and manipulates requests for a certain screen operation, an arbitrary OS command may be executed (CVE-2025-20617, CVE-2025-26856)

  • A remote attacker may disable the LAN-side firewall function of the affected products, and open specific ports (CVE-2025-22450)

  • If a user logs in to CLI of the affected product, an arbitrary OS command may be executed (CVE-2025-23237)

CVE-2025-20617 and CVE-2025-26856 were reported on different screen operations.
Solution

[Update the firmware]
Update the firmware to the latest version according to the information provided by the developer.
The developer has released the update listed below that addresses these vulnerabilities.
  • UD-LT2 firmware Ver.1.00.011_SE
Vendor Information

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

  1. OS Command Injection(CWE-78) [IPA Evaluation]
  2. No Mapping(CWE-Other) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2025-20617
  2. CVE-2025-22450
  3. CVE-2025-23237
  4. CVE-2025-26856
References

  1. JVN : JVN#15293958
Revision History

  • [2025/01/22]
      Web page was published
  • [2025/02/20]
      Overview was modified
      CVSS Severity was modified
      Impact was modified
      CVE : CVE-ID was added

Date Public2025/01/22
Date First Published2025/01/22
Date Last Updated2025/02/20