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Over 4 Million Internet Hosts Found Vulnerable to Attacks

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🌐 Over 4 million internet systems vulnerable to tunneling protocol attacks. New research by KU Leuven’s Mathy Vanhoef and Angelos Beitis reveals that more than 4.26 million internet hosts, including VPN servers and home routers, are susceptible to exploitation due to vulnerabilities in tunneling protocols like IPIP and GRE. These protocols, essential for data transport across networks, can be misconfigured to accept unauthenticated packets, allowing attackers to conduct anonymous attacks, including DoS and DNS spoofing. The majority of vulnerable systems are located in China and France. The researchers have published technical details and defense recommendations to help secure these systems, which have been assigned several CVE identifiers for tracking the vulnerabilities.

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