JVN#97144273
Multiple vulnerabilities in WXR-1900DHP2

Overview

WXR-1900DHP2 provided by BUFFALO INC. contains multiple vulnerabilities.

Products Affected

• WXR-1900DHP2 firmware Ver.2.48 and earlier

Description

WXR-1900DHP2 provided by BUFFALO INC. is a wireless LAN router. WXR-1900DHP2 contains multiple vulnerabilities listed below.

• Missing Authentication for Critical Function (CWE-306) - CVE-2018-0521

  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
  CVSS v2	AV:A/AC:L/Au:N/C:C/I:C/A:C	Base Score: 8.3

• Buffer Overflow (CWE-119) - CVE-2018-0522

  CVSS v3	CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L	Base Score: 5.0
  CVSS v2	AV:A/AC:M/Au:N/C:P/I:P/A:P	Base Score: 5.4

• OS Command Injection (CWE-78) - CVE-2018-0523

  CVSS v3	CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L	Base Score: 6.3
  CVSS v2	AV:A/AC:L/Au:N/C:P/I:P/A:P	Base Score: 5.8

Impact

The possible impact of each vulnerability is as follows:

• A user with access to the network that is connected to the affected device may execute an arbitrary command on the device － CVE-2018-0521
• If a user views a specially crafted file while logged into the affected device, arbitrary code may be executed － CVE-2018-0522
• A user with access to the network that is connected to the affected device may execute an arbitrary command on the device － CVE-2018-0523

Solution

Update the Firmware
Apply the latest firmware update according to the information provided by the developer.