@Kevin_Z OK, thanks for that. It seems strange that my router doesn't get the security fixes that were released for other regions, but I guess there's not much I can do, maybe there's a reason.

@Kevin_Z Could you please provide the link to the website where I can download the correct firmware for my router?

Thanks @Kevin_Z for the response. What do you mean by "EU version" - Europe? Europe is not available on this list: https://www.tp-link.com/en/choose-your-location/ Which website should I use?

This page https://www.tp-link.com/de/support/download/archer-vr600v/#Firmware says that there are two firmware upgrades available for my router. When I click "online upgrade" it says "Your firmware...