Cybersecurity experts have unearthed critical security flaws in Realtek chips that affect more than 65 hardware vendors and several wireless devices. According to security analysts at German security firm IoT Inspector, the flaws could affect almost 200 IoT product lines and hundreds of thousands of devices.“Our security researchers have discovered and analyzed this vulnerability, which affects hundreds of thousands of devices. We notified Realtek, and they immediately responded and provided an appropriate patch. Manufacturers using vulnerable Wi-Fi modules are strongly encouraged to check their devices and provide security patches to their users,” said Florian Lukavsky, managing director of IoT InspectorSeveral well-known manufacturers including AsusTEK, Belkin, D-Link, Edimax, Hama, Logitec, Netgear are affected by the flaws discovered in Realtek chipsets. Realtek chipsets are used in residential gateways, travel routers, Wifi repeaters, IP cameras to smart lightning gateways, and many more.Researchers discovered four vulnerabilities CVE-2021-35392 (CVSS score: 8.1), CVE-2021-35393 (CVSS score: 8.1), CVE-2021-35394 (CVSS score: 9.8), and CVE-2021-35395 (CVSS score: 9.8) within the Realtek RTL819xD chip, which allows threat actors to secure root access to the host device, its operating system, and potentially other devices on the network.Typically, for an exploit to be successful, an attacker must be on the same Wi-Fi network. However, incorrect ISP configurations also expose many susceptible devices directly to the Internet. “There is currently far too little security awareness for devices in these categories – neither among users nor among manufacturers, who blindly rely on components from other manufacturers in their supply chain without testing them. As a result, these components or products b ..
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