Null Pointer Dereference in File Station 5

{
                    "vendor": "QNAP Systems Inc.",
                    "product": "File Station 5",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "5.5.x",
                            "lessThan": "5.5.6.5243",
                            "versionType": "custom"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }