Please find the info on the asus website to protect your router, it seems fairly widespread and may give acces to your lan and NAS.
ASUS Product Security Advisory | ASUS Global
ASUS Product Security Advisory | ASUS Global
ASUS warns of Cyclops Blink malware attacks targeting routers
Multiple ASUS router models are vulnerable to the Russia-linked Cyclops Blink malware threat, causing the vendor to publish an advisory with mitigations for the security risk.
www.bleepingcomputer.com