A vulnerability in the TP-Link WR840N v6 router with firmware version 0.9.1 4.16 and earlier permits unauthorized individuals to bypass the authentication of some interfaces under the /cgi directory.When adding Referer: http://tplinkwifi.net to the the request, it will be recognized as passing the authentication.
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.