D-Link DNS Series Unauthenticated Access Scanner
This scanner detects the Unauthenticated Access in D-Link DNS Series. Unauthenticated Access allows unauthorized actors to exploit the info.cgi script using a simple HTTP GET request, affecting over 920,000 devices on the Internet.
Short Info
Level
Low
Single Scan
Single Scan
Can be used by
Asset Owner
Estimated Time
10 seconds
Time Interval
17 days 23 hours
Scan only one
URL
Toolbox
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The D-Link DNS Series are network storage devices widely used in both residential and small business environments. They provide versatile storage solutions, enabling data backup and remote access to files. Key users include home users and small business owners who need reliable data storage and sharing capabilities. These devices are popular due to their ease of use and attractive price point. However, their functionality necessitates rigorous security measures to prevent unauthorized access. The effective use of D-Link DNS products improves productivity through seamless data accessibility and management.
Unauthenticated Access is a vulnerability whereby unauthorized users can gain access to a system without needing to provide valid credentials. This flaw poses a serious threat as it allows malicious actors to access sensitive information or control systems remotely. In the context of the D-Link DNS Series, the vulnerability is found in the info.cgi script, which gives entry to unauthorized users through an unprotected HTTP GET request. The flaw compromises over 920,000 devices, exposing sensitive device information. Recognizing and remediating this vulnerability is crucial to protecting digital assets.
The vulnerability in D-Link DNS Series devices is technically rooted in the misconfigured info.cgi script. The script is supposed to present sensitive device information only to authenticated users. However, due to a flaw, it allows unrestricted access through an ordinary HTTP GET request. This oversight in authentication protocol permits unauthorized users to exploit the system with minimal effort. By accessing the info.cgi endpoint, intruders are able to bypass security measures and retrieve model, product, and version details. Maintaining system security involves addressing such configuration errors.
If left unpatched, this vulnerability can lead to severe security breaches. Unauthorized access to the info.cgi script may result in exposure of critical information, such as device configurations and network setup details. Malicious attackers can utilize this information to orchestrate further attacks or infiltrate other systems within the network. Unchecked, this flaw could compromise the entire storage framework, leading to data theft, loss of business reputation, or operational disruptions. It is imperative that security measures are strengthened to prevent exploitation.
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