As many as 900,000 Deutsche Telekom customers in Germany suffered internet outages on Sunday and Monday. Internet outages came after a supposed cyber-attack, affecting telephony, television, and internet service in the country. Millions of routers are said to be vulnerable to a critical Remote code Execution flaw in routers made by Zyxel and Speedport. The same vulnerability affects Eir D1000 wireless routers deployed by Irish internet service provider Eircom, while there are no signs that these routers are actively exploited.
Source: https://thehackernews.com/2016/11/mirai-router-offline.html