
NatJack Lets Attackers Hijack TCP Sessions, Spoof DNS, and Exhaust NAT Tables
A newly disclosed NatJack attack class exposes a foundational weakness in network address translation (NAT) infrastructure, enabling attackers to manipulate connection-tracking state to hijack TCP sessions, tamper with DNS traffic, disclose mapped ports, and deny network access to other users. Presented by security researcher Malcolm Stagg at Black Hat USA 2026, NatJack is not limited […]
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