Millions of Households at Risk from Outdated Routers Phil Muncaster UK / EMEA News Reporter , Infosecurity Magazine Millions of households could be at risk of cyber-attack because they’re running outdated and unpatched routers, a new investigation has found. Unprotected routers are an increasingly popular target for attackers, theoretically enabling them to hijack smart home devices and eavesdrop on communications and web browsing. Consumer rights group Which surveyed more than 6000 UK adults back in December to find out which router models they were using. Extrapolating this data, it calculated that as many as 7.5 million households may be running routers with security issues.