As shared by SlashGear, the FBI's new warning highlights a number of older router models from one particular manufacturer that have an existing vulnerability, making them a prime target for cybercriminals and hackers. Here's how: Router security depends on the reliability of built-in software (also called “firmware”), which handles important details like which standards the. The short answer is that current scientific research has not shown significant health risks associated with Wi-Fi radiation. But to fully grasp this topic, we have to dig deeper into the science. In this guide, we'll address myths and misconceptions and explain how to safely manage your Wi-Fi use. A Wi-Fi router is a device that wirelessly connects multiple electronic devices to the internet. It operates by transmitting RF signals at frequencies of 2.