Multiple buffer overflows in the PocketNetNVRMediaClientAxCtrl.NVRMediaViewer.1 control in 3S Pocketnet Tech VMS allow remote attackers to execute arbitrary code via a crafted string to the (1) StartRecord (2) StartRecordEx (3) StartScheduledRecord (4) SetDisplayText (5) GetONVIFDeviceInformation (6) GetONVIFProfiles or (7) GetONVIFStreamUri method or a crafted filename to the (8) SaveCurrentImage or (9) SaveCurrentImageEx method.