In today's news, a long-known and long-solved problem bites users around the world yet again.
#ASUS routers are still, in 2023, using the old "newsyslog" log rotation mechanism from the 20th century, that was replaced by vastly better ones in the 1990s. ASUS's malware checker went mad and started logging the same message over and over really fast. This filled up the tmpfs holding the log files and broke the routers.