PT-2011-30: Disclosure of sensitive information in D-Link DIR-300 Router

(PT-2011-30) Positive Technologies Security Advisory
Disclosure of sensitive information in D-Link DIR-300 Router

Vulnerable software

Router management system for D-Link DIR-300

Severity level

Severity level: Medium
Impact: Sensitive information disclosure
Access Vector: Remote

CVSS v2:
Base Score: 6.8
Vector: (AV:N/AC:L/Au:S/C:C/I:N/A:N)

CVE: CVE-2011-4723

Software description

A router management system for D-Link DIR-300.

Vulnerability description

Positive Research Center has discovered that password hashing is not implemented in D-Link DIR-300 routers, which allows one to obtain passwords in plain text.

How to fix

Update your software up to the latest version
Update link

Advisory status

09.09.2011 - Vendor is notified
09.09.2011 - Vendor gets vulnerability details
19.09.2011 - Vendor releases fixed version and details
20.10.2011 - Public disclosure


The vulnerability was detected by Sergey Scherbel, Positive Research Center (Positive Technologies Company)


Reports on the vulnerabilities previously discovered by Positive Research:

About Positive Technologies

Positive Technologies is among the key players in the IT security market in Russia.

The principal activities of the company include the development of integrated tools for information security monitoring (MaxPatrol); providing IT security consulting services and technical support; development of the Securitylab leading Russian information security portal.

Among the clients of Positive Technologies, there are more than 40 state enterprises, more than 50 banks and financial organizations, 20 telecommunication companies, more than 40 plant facilities, as well as IT, service and retail companies from Russia, the CIS countries, the Baltic States, China, Ecuador, Germany, Great Britain, Holland, Iran, Israel, Japan, Mexico, the Republic of South Africa, Thailand, Turkey, and the USA.

Positive Technologies is a team of highly skilled developers, advisers and experts with years of vast hands-on experience. The company specialists possess professional titles and certificates; they are the members of various international societies and are actively involved in the IT security field development.