double-tagging

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Piccolino1965 / VLAN-Hopping-via-Double-Tagging

Here is a Proof-of-Concept (PoC) in Python using Scapy to simulate a VLAN Hopping Double Tagging attack. This script creates and sends an Ethernet packet with double 802.1Q tagging, where the first tag (Outer VLAN 10) is stripped by a vulnerable switch, allowing the packet to reach an unauthorized VLAN (Inner VLAN 20).

vlan vlan-hopping ethernet-frame double-tagging

Updated Feb 28, 2025
Python

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