A recent firmware pushed to QNAP network attached storage (NAS) devices left a number of owners unable to access their storage systems.The firmware update, version 5.2.2.2950, was released on November 19 but was quickly withdrawn after users reported functional issues.QNAP conducted a comprehensive investigation and released a fixed version within 24 hours.Issues reported include rejected authorization, booting problems, and missing Python installation for apps and services.