Remote Code Execution in D-Link DIR-859 Devices
CVE-2019-20216
9.8CRITICAL
What is CVE-2019-20216?
The D-Link DIR-859 devices, specifically versions 1.05 and 1.06B01 Beta01, are susceptible to a vulnerability that permits remote attackers to execute arbitrary operating system commands. This occurs through the misuse of the REMOTE_PORT variable during the processing of the M-SEARCH method in the ssdpcgi() function. The flawed implementation involving the strstr function allows attackers to concatenate arbitrary commands, which can be separated by shell metacharacters, thereby posing a significant security threat to these devices.