JVN#65994435
Multiple vulnerabilities in multiple Buffalo broadband routers

Overview

Multiple broadband routers provided by BUFFALO INC. contain multiple vulnerabilities.

Products Affected

• BBR-4HG firmware 1.00 to 1.48
• BBR-4HG firmware 2.00 to 2.07
• BBR-4MG firmware 1.00 to 1.48
• BBR-4MG firmware 2.00 to 2.07

Description

BBR-4HG and BBR-4MG provided by BUFFALO INC. are wireless LAN routers.  BBR-4HG and BBR-4MG contain multiple vulnerabilities listed below.

• Cross-site Scripting (CWE-79) - CVE-2017-10896

  CVSS v3	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N	Base Score: 6.1
  CVSS v2	AV:N/AC:M/Au:N/C:N/I:P/A:N	Base Score: 4.3

• Improper Input Validation (CWE-20) - CVE-2017-10897

  CVSS v3	CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H	Base Score: 4.5
  CVSS v2	AV:A/AC:L/Au:S/C:N/I:N/A:P	Base Score: 2.7

Impact

The possible impact of each vulnerability is as follows:

• An arbitrary script may be executed on the user's web browser If a logged-in user accesses a specially crafted page - CVE-2017-10896
• The device may become unresponsive if an improper input value is set in the administrative page - CVE-2017-10897

Solution

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