Install wireguard on those devices?

[lm2lm2]

@slh

these devices are explicitly unsupported these days and even with very dedicated intent, it's close to impossible to make them do anything sensible with current code. They really need replacing, as relying on EOLed releases with known security issues isn't an option either.

those are not enough outdated to make them retired :

Ultimate Guide for 4MB flash devices – Expert only

Hi all, As a lot of you may have old devices left in cupboards/drawers, I decided to share some tips to help you build a recent version of OpenWRT on hardware with limited specifications. I know there is a wiki page on 4MB devices, but what I will describe on this page is more dedicated to expert users. I am not responsible for any issue with you devices. The goal is to explain you how to build a full-featured (for daily use at least) and recent image (including LuCI web interface). With the r…

thank you