Western Digital’s My Cloud network attached storage (NAS) devices claim to offer an easy, all-in-one solution for storing your data at home. However, they might also be providing an easy, all-in-one solution for hackers to steal your data take control of your device. Western Digital was told about the vulnerabilities last year but has yet to patch many devices.
Source: Western Digital’s My Cloud Storage Devices Have Hard-Coded Backdoor – ExtremeTech