Zebra ZTC Industrial ZT400 and ZTC Desktop GK420d
A vulnerability of authentication bypass has been found in Zebra Technologies ZTC Industrial ZT410 and ZTC Desktop GK420d. This vulnerability allows an attacker that is in the same network as the printer to change the username and password for the web page by sending a specially crafted POST request to the setvarsResults.cgi file. For this vulnerability to be exploitable, the printer's protected mode must be disabled.