DD-WRT
https://dd-wrt.com03.02.2021 · About. DD-WRT is a Linux based alternative OpenSource firmware suitable for a great variety of WLAN routers and embedded systems. The main emphasis lies on providing the easiest possible handling while at the same time supporting a great number of functionalities within the framework of the respective hardware platform used.
DD-WRT » FAQ
https://dd-wrt.com/support/faqA: The only way to re-access your router is resetting it to factory defaults. To do this on most router models you have to press the reset button of the router for appr. 20sec when powering the router up. Please keep in mind that this means that all …