Published:2008/03/18  Last Updated:2008/07/17

JVN#13159997
Multiple I-O DATA DEVICE wireless LAN routers default configuration does not set authentication
Critical

Overview

The web administration interface for the WN-APG/R-Series and WN-WAPG/R-Series wireless LAN routers from I-O DATA DEVICE disables authentication in the default configuration.

Products Affected

  • WN-APG/R firmware version 1.05J/W and earlier
  • WN-APG/R-S firmware version 1.05J/W and earlier
  • WN-WAPG/R firmware version 2.04 and earlier
  • WN-WAPG/R-S firmware version 2.04 and earlier

Description

The authentication for the web administration interface for the WN-APG/R-Series and WN-WAPG/R-Series wireless LAN routers from I-O DATA DEVICE is disabled in the default configuration. This vulnerability may allow a remote attacker to access the web administration interface without authentication.

Impact

A remote attacker could change the configuration of vulnerable routers or obtain configuration information.

Solution

Update the Software
Update to the latest firmware provided by the vendor.
For more information, refer to the vendor's website.

Change the Setting
For more information, refer to the vendor's website.

Vendor Status

Vendor Status Last Update Vendor Notes
I-O DATA DEVICE, INC. Vulnerable 2008/03/18

References

  1. IPA
    Security Alert for Vulnerability in Multiple I-O DATA Wireless LAN Routers

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2008.03.18 Critical

Measures Conditions Severity
Access Required Routed - can be attacked over the Internet using packets
  • High
Authentication None - anonymous or no authentication (IP addresses do not count)
  • High
User Interaction Required None - the vulnerability can be exploited without an honest user taking any action
  • High
Exploit Complexity Low - little to no expertise and/or luck required to exploit (cross-site scripting)
  • High

Description of each analysis measures

Credit

Hirotaka Katagiri reported this vulnerability to IPA.
JPCERT/CC coordinated with the vendors under Information Security Early Warning Partnership.

Other Information

JPCERT Alert
JPCERT Reports
CERT Advisory
CPNI Advisory
TRnotes
CVE
JVN iPedia JVNDB-2008-000017

Update History

2008/05/21
JVN English site opened and the first English advisory of this issue was published.
2008/07/17
Information under the section "References" was added.