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Explore the security vulnerabilities in 3G/4G USB modems, particularly those manufactured by Huawei, in this 28-minute conference talk from Black Hat EU 2013. Delve into Nikita Tarakanov and Oleg Kupreev's research on the potential for widespread infection through these popular devices. Learn about the various vulnerabilities discovered in the modem management software, ranging from Remote Code Execution to Local Privilege Execution, which could lead to complete system compromise. Understand the implications of these security flaws, including the possibility of constructing a global botnet by infecting a single website and subsequently compromising all users of Huawei USB modems.