Linksys E1700 setDMZ os command injection

A weakness has been identified in Linksys E1700 1.0.0.4.003. The affected element is the function setDMZ of the file /goform/setDMZ. Executing a manipulation of the argument MAC_addr can lead to os command injection. The attack can be executed remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.