HOME SPOT CUBE2 vulnerable to improper authentication in WebUI


HOME SPOT CUBE2 provided by KDDI CORPORATION is a wireless LAN router. HOME SPOT CUBE2 contains improper authentication in WebUI.

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?)

CVSS V3 Severity:
Base Metrics 6.5 (Medium) [IPA Score]
  • Attack Vector: Adjacent Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: None
  • Integrity Impact: High
  • Availability Impact: None
CVSS V2 Severity:
Base Metrics 3.3 (Low) [IPA Score]
  • Access Vector: Adjacent Network
  • Access Complexity: Low
  • Authentication: None
  • Confidentiality Impact: None
  • Integrity Impact: Partial
  • Availability Impact: None
Affected Products

  • HOME SPOT CUBE2 firmware V101 and earlier


Firmware may be altered by an attacker who can access the management screen of the product.

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

CWE (What is CWE?)

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

  1. CVE-2017-2186

  1. JVN : JVN#24348065
  2. National Vulnerability Database (NVD) : CVE-2017-2186
Revision History

  • [2017/06/21]
      Web page was published
      References : Content was added