Unsecured Tunneling Protocols Expose 4.2 Million Hosts, Including VPNs and Routers

New research has uncovered security vulnerabilities in multiple tunneling protocols that could allow attackers to perform a wide range of attacks.
« Internet hosts that accept tunneling packets without verifying the sender’s identity can be hijacked to perform anonymous attacks and provide access to their networks, » Top10VPN said in a study, as part of a collaboration with KU Leuven professor