When Wi-Fi Encryption Fails: Protecting Your Enterprise from AirSnitch Attacks
ID: 3433401e-bf8f-586a-ba72-4f728b4c8353
STIX ID: report--3433401e-bf8f-586a-ba72-4f728b4c8353
Feed Name: Palo Alto Networks Unit 42
Date Published: 2026-04-22
Date Updated: 2026-04-28
Author: Emmanuel Zhou, Adam Robbie, Rick Wyble, Zhutian Liu, Zhiyun Qian, Zhaowei Tan, Srikanth V. Krishnamurthy and Mathy Vanhoef
AirSnitch is a public research disclosure that demonstrates novel Wi‑Fi attack primitives which exploit protocol and infrastructure interactions (e.g., GTK misuse, port stealing, gateway bouncing, broadcast reflection) to bypass WPA2/WPA3‑Enterprise client isolation and enable MitM, packet injection and decryption across APs and network segments; the report documents the attack techniques, provides indicators of compromise, and recommends mitigations such as VLAN segmentation, spoofing prevention, per‑client GTKs/DGAF, MACsec and stricter firewall/RADIUS practices.
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