Incase others have not seen the below thread on Engadget.com, they have published a report from Kaspersky identifying malware has been distributed to more than half a million ASUS windows computers via an compromised update server.
https://www.engadget.com/2019/03/25/asus-hack-shadowhammer-backdoor/?guccounter=1
I have spoken with the ASUS (Wifi) Team and this attack does not effect wifi (router) products, as they use different servers and authentication/verification methods.
I have also asked ASUS wifi team that any lessons learnt are quickly applied to the wifi (router) distribution servers A.S.A.P.
ASUS response to the above attack (below)
https://www.asus.com/News/hqfgVUyZ6uyAyJe1