CVE-2024-3661: TunnelVision - How Attackers Can Decloak Routing-Based VPNs For a Total VPN Leak — Leviathan Security Group - Penetration Testing, Security Assessment, Risk Advisory
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We discovered a fundamental design problem in VPNs and we're calling it TunnelVision. This problem lets someone see what you're doing online, even if you think you're safely using a VPN.