Published:2017/07/27 Last Updated:2017/07/27
JVN#51410509
I-O DATA WN-G300R31 uses hard-coded credentials
Overview
WN-G300R31 provided by I-O DATA DEVICE, INC. uses hard-coded credentials.
Products Affected
- WN-G300R3 firmware version 1.0.2 and earlier
Description
WN-G300R31 provided by I-O DATA DEVICE, INC. is a wireless LAN router. WN-G300R3 uses hard-coded credentials (CWE-798).
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 Status
| Vendor | Status | Last Update | Vendor Notes |
|---|---|---|---|
| I-O DATA DEVICE, INC. | Vulnerable | 2017/07/27 | I-O DATA DEVICE, INC. website |
References
JPCERT/CC Addendum
Vulnerability Analysis by JPCERT/CC
CVSS v3
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score:
8.8
| Attack Vector(AV) | Physical (P) | Local (L) | Adjacent (A) | Network (N) |
|---|---|---|---|---|
| Attack Complexity(AC) | High (H) | Low (L) | ||
| Privileges Required(PR) | High (H) | Low (L) | None (N) | |
| User Interaction(UI) | Required (R) | None (N) | ||
| Scope(S) | Unchanged (U) | Changed (C) | ||
| Confidentiality Impact(C) | None (N) | Low (L) | High (H) | |
| Integrity Impact(I) | None (N) | Low (L) | High (H) | |
| Availability Impact(A) | None (N) | Low (L) | High (H) |
CVSS v2
AV:A/AC:L/Au:N/C:C/I:C/A:C
Base Score:
8.3
| Access Vector(AV) | Local (L) | Adjacent Network (A) | Network (N) |
|---|---|---|---|
| Access Complexity(AC) | High (H) | Medium (M) | Low (L) |
| Authentication(Au) | Multiple (M) | Single (S) | None (N) |
| Confidentiality Impact(C) | None (N) | Partial (P) | Complete (C) |
| Integrity Impact(I) | None (N) | Partial (P) | Complete (C) |
| Availability Impact(A) | None (N) | Partial (P) | Complete (C) |
Credit
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.
Other Information
| JPCERT Alert | |
| JPCERT Reports | |
| CERT Advisory | |
| CPNI Advisory | |
| TRnotes | |
| CVE |
CVE-2017-2283 |
| JVN iPedia |
JVNDB-2017-000188 |