Tech news

Research · Apr 3, 2024

Critical Command Injection Vulnerability Discovered in D-Link NAS Devices

A critical command injection vulnerability has been identified in multiple D-Link NAS devices, affecting models that are no longer supported.

What changed

A serious vulnerability has been uncovered in several D-Link NAS devices, which allows for command injection through a specific HTTP GET request. This vulnerability affects devices that have not received support since April 2024.

  • The vulnerability is classified as critical and has been assigned the identifier VDB-259284.
  • Exploiting this vulnerability could allow remote attackers to execute arbitrary commands on the affected devices.
  • The affected component is the HTTP GET Request Handler found in the /cgi-bin/nas_sharing.cgi file.

Who is affected

The following D-Link NAS models are impacted by this vulnerability, all of which are no longer supported by the vendor:

Users of these devices should be aware of the potential risks associated with their continued use.

  • D-Link DNS-320L
  • D-Link DNS-325
  • D-Link DNS-327L
  • D-Link DNS-340L

What to do

Given that these devices are no longer supported, users should consider the following actions to mitigate risks:

It's crucial to evaluate alternative solutions or upgrade to supported models to ensure ongoing security.

  • Immediately assess the necessity of continuing to use affected models.
  • Consider replacing unsupported devices with newer models that receive regular security updates.
  • Implement network segmentation to limit exposure of vulnerable devices.