An issue D-Link DIR-816-A2 DIR-816A2FWv1.10CNB05R1B011D88210 allows a remote attacker to execute arbitrary code via system() function in the bin/goahead file
An issue was discovered in D-Link DIR-816 DIR-816A2FWv1.10CNB05R1B011D88210 The HTTP request parameter is used in the handler function of /goform/form2userconfig.cgi route, which can construct the user name string to delete the user function. This can lead to command injection through shell metacharacters.