D-Link DIR-3040 MiniDLNA Heap-based Buffer Overflow Remote Code Execution Vulnerability [CVE-2022-43648]
CVE number = CVE-2022-43648
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DIR-3040 routers.
Authentication is not required to exploit this vulnerability.
The specific flaw exists within the MiniDLNA service.
The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer.
An attacker can leverage this vulnerability to execute code in the context of the MiniDLNA service.
D-Link has issued an update to correct this vulnerability.
More details can be found at:
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10322
Duncan is a technology professional with over 20 years experience of working in various IT roles. He has a interest in cyber security, and has a wide range of other skills in radio, electronics and telecommunications.