Multiple cross-site request forgery (CSRF) vulnerabilities in D-Link DSL-2740B Gateway with firmware EU_1.00 allow remote attackers to hijack the authentication of administrators for requests that (1) enable or disable Wireless MAC Address Filters via a wlFltMode action to wlmacflt.cmd, (2) enable or disable firewall protections via a request to scdmz.cmd, or (3) enable or disable remote management via a save action to scsrvcntr.cmd.
The web application does not, or cannot, sufficiently verify whether a request was intentionally provided by the user who sent the request, which could have originated from an unauthorized actor.