@tofgauthier Glad to hear that it works well right now.

@P_25 The red internet led means that the internet does not work yet. Have you ever configured it with the username and password given by ISP? What is the device connected to the WAN/Blue port of the...

@AndreL I see. I'm afraid that this device is bricked and cannot be fixed. You can purchase a new router to enjoy the internet. Good day.

@alfarme Thanks for your valued reply. We at TP-Link have been aware of the vulnerability and our team is still investigating whether any of tp-link routers are affected. If there is any information...

@Tonybell What is the current network diagram? How do you connect these devices to each other? Try to connect the CCTV and DVR to the Archer AX6000 directly, bypass the netgear switch and verify...

@jslone Hello, please check my answer which has been tagged as best solution, I added the download link. May it help.