PT-2016-61: Denial of Service in the web interface to TP-Link wireless devices control system

(PT-2016-61) Positive Technologies Security Advisory
Denial of Service in the web interface to TP-Link wireless devices control system

Vulnerable software

Web interface to TP-Link wireless routers control system (AC, TL-MR, TL-WDR, TL-WR series models)
Web interface to TP-Link external wireless access points control system (TL-WA series models)

Links:
http://www.tp-link.com/

Severity level

Severity level: Medium
Impact: Denial of Service
Access Vector: Remote

CVSS v2:
Base Score: 4.3
Vector: (AV:N/AC:M/Au:N/C:N/I:N/A:P)

CVE: not assigned

Software description

Web interface to TP-Link wireless devices control system

Vulnerability description

The specialists of the Positive Research center have detected a Denial of Service vulnerability in the web interface to TP-Link wireless devices control system.

An attacker can cause a full denial of service of the server used for the web interface to wireless devices control system via the special crafted request. A reboot of the device is required to recover the web interface operation.

How to fix

Install the latest firmware
Most of vulnerable devices are not supported by the manufacturers. It is recommended to restrict access to their web-based interfaces.

Advisory status

11.03.2015 - Vendor gets vulnerability details
20.02.2016 - Vendor releases fixed version and details
26.12.2016 - Public disclosure

Credits

The vulnerability was detected by Semen Rozhkov, Positive Research Center (Positive Technologies Company)

References

http://en.securitylab.ru/lab/PT-2016-36

Reports on the vulnerabilities previously discovered by Positive Research:

http://www.ptsecurity.com
http://en.securitylab.ru/lab/

About Positive Technologies

Positive Technologies is a leading provider of vulnerability assessment, compliance management and threat analysis solutions to more than 1,000 global enterprise clients. Our solutions work seamlessly across your entire business: securing applications in development; assessing your network and application vulnerabilities; assuring compliance with regulatory requirements; and blocking real-time attacks. Our commitment to clients and research has earned Positive Technologies a reputation as one of the foremost authorities on SCADA, Banking, Telecom, Web Application and ERP security, and distinction as the #1 fastest growing Security and Vulnerability Management firm in 2012, as shown in an IDC report*. To learn more about Positive Technologies please visit www.ptsecurity.com

*Source: IDC Worldwide Security and Vulnerability Management 2013-2017 Forecast and 2012 Vendor Shares, doc #242465, August 2013. Based on year-over-year revenue growth in 2012 for vendors with revenues of $20M+