Owners of a Vodafone EasyBox 802 or 803 router should be careful, the BSI said, as there was a security flaw that allows hackers access to a network's WPS (WiFi protection set-up) – meaning they could potentially take control of a person's computer to download unwanted material, or gain access to their private data.
The BSI have issued the fault with their second-highest warning level, and are warning those with one of the affected boxes to change their WiFi password.
Vodafone has reportedly known about the flaw since 2012 but have so far not taken action, Der Spiegel news magazine reported, on Tuesday.
Over the past eight months, Vodafone has released no security updates for the software and has kept silent on the issue.
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