[Japanese]

JVNDB-2017-000188

I-O DATA WN-G300R31 uses hard-coded credentials

Overview

WN-G300R31 provided by I-O DATA DEVICE, INC. is a wireless LAN router. WN-G300R3 uses hard-coded credentials (CWE-798).

Taizoh Tsukamoto of Mitsui Bussan Secure Directions, Inc. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

Base Metrics: 8.3 (High) [IPA Score]
  • Access Vector: Adjacent Network
  • Access Complexity: Low
  • Authentication: None
  • Confidentiality Impact: Complete
  • Integrity Impact: Complete
  • Availability Impact: Complete

CVSS V3 Severity:
Base Metrics: 8.8 (High) [IPA Score]
  • Attack Vector: Adjacent
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: High
  • Integrity Impact: High
  • Availability Impact: High
Affected Products


I-O DATA DEVICE, INC.
  • WN-G300R3 firmware version 1.0.2 and earlier

Impact

A user with access to the network that is connected to the affected device may execute arbitrary code on the device.
Solution

[Update the Firmware]
Apply the appropriate firmware update according to the information provided by the developer.
Vendor Information

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

  1. Permissions(CWE-264) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2017-2283
References

  1. JVN : JVN#51410509
Revision History

[2017/07/27]
  Web page was published