Unpatched DNS Bug Puts Millions of Routers, IoT Devices at Risk

An unpatched Domain Name System (DNS) bug in a popular standard C library can allow attackers to mount DNS poisoning attacks against millions of IoT devices and routers to potentially take control of them, researchers have found. Researchers at Nozomi Networks Labs discovered the flaw affecting the implementation of DNS in all versions of uClibc and uClibc-ng, popular C standard libraries found in numerous IoT products, they revealed in a blog post this week.

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