Researchers have uncovered a proprietary undocumented command in Chinese manufacturer Espressif's ESP32 chips that could be exploited, to the potential detriment of millions of users.The ESP32 chip allows connectivity through Wifi or Bluetooth and can be found in millions of the Internet of Things (IoT) devices. At RootedCON, a notable Spanish cybersecurity conference in Madrid, Miguel Tarascó and Antonio Vázquez, researchers at Tarlogic, presented their discovery of commands within the ESP32 that could grant access and make it possible for bad actors to gain control of users' devices.According to their findings, these commands could allow an attacker to make changes…