Multilaser RE160 v5.07.51_pt_MTL01 and v5.07.52_pt_MTL01, Multilaser RE160V v12.03.01.08_pt and V12.03.01.09_pt, and Multilaser RE163V v12.03.01.08_pt allows attackers to bypass the access control and gain complete access to the application via supplying a crafted URL.