Silent Flaws in Internet Tunnels Could Trigger Global Outages

“Security researchers have identified critical flaws in common internet tunneling protocols—such as GRE, IPIP, 6in4, and 4in6. These vulnerabilities affect more than 4.26 million devices worldwide, including VPN servers, home routers, CDNs, and core routers, opening doors to devastating Denial-of-Service (DoS) attacks.”

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