Recently I posted a reply on a thread that was addressing the same bug on a different router. @clive_a advised me to create a new thread by being at the same time very dismissive saying that the...

@Clive_A I have ER706W v1.0 with firmware 1.1.3 Build 20240830 Rel.54942(5553) and suffering from the same problem. I never used DDNS, so i tried to create a custom DDNS like instructed in this...