Advisory Details

July 20th, 2015

Belkin N300 Dual-Band Wi-Fi Range Extender formWpsStart pinCode Remote Code Execution Vulnerability

ZDI-15-351
ZDI-CAN-2639

CVE ID CVE-2015-5536
CVSS SCORE 9.0, (AV:N/AC:L/Au:S/C:C/I:C/A:C)
AFFECTED VENDORS Belkin
AFFECTED PRODUCTS N300 Dual-Band Wi-Fi Range Extender
VULNERABILITY DETAILS


This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Belkin N300 Dual-Band Wi-Fi Range Extender. Authentication is required to exploit this vulnerability.

The specific flaw exists within the handling of formWpsStart requests. It is possible to inject arbitrary operating system commands when the application is handling the pinCode parameter. A remote attacker can leverage this vulnerability to execute remote code under the context of the root user.

ADDITIONAL DETAILS Belkin has issued an update to correct this vulnerability. More details can be found at:
http://www.belkin.com/us/support-article?articleNum=4975
DISCLOSURE TIMELINE
  • 2014-11-26 - Vulnerability reported to vendor
  • 2015-07-20 - Coordinated public release of advisory
CREDIT Elvis Collado of HP DVLabs
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