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the claim

Wi-Fi networks protected by WPA2 with weak passphrases can be cracked using a captured four-way handshake.

the verdict
SUPPORTED
the evidence backs this
Recorded sources
6 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that Wi-Fi networks protected by WPA2 with weak passphrases can be cracked using a captured four-way handshake?

Yes. A reference article states WPA2-Personal remains vulnerable to password cracking when users rely on a weak passphrase, and that brute forcing can start from the four-way authentication handshake. Several other sources confirm WPA/WPA2 susceptibility to offline dictionary and brute-force attacks against captured four-way handshakes.

Verdict: SUPPORTED · 6 sources for, 0 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence for · 6
Wi-Fi Protected Access
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Wi-Fi Protected Access. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Wi-Fi_Protected_Access

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More for · 5
Wi-Fi Handshake: analysis of password patterns in Wi-Fi networks -
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Wi-Fi Handshake: analysis of password patterns in Wi-Fi networks - PMC Lock. (n.d.). pmc.ncbi.nlm.nih.gov. https://doi.org/10.7717/peerj-cs.1185

False Sense of Security on Protected Wi-Fi Networks
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False Sense of Security on Protected Wi-Fi Networks. (n.d.). arxiv.org. https://arxiv.org/html/2501.13363v1

Pwnagotchi: An AI-Driven Autonomous Wi-Fi Auditing Platform for Passive WPA/WPA2 Handshake Harvesting
2026
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K, S. C., Gowda, A. S., & Guru, Y. V. (2026). Pwnagotchi: An AI-Driven Autonomous Wi-Fi Auditing Platform for Passive WPA/WPA2 Handshake Harvesting. doi.org. https://doi.org/10.2139/ssrn.6956259

Efficient High-Speed WPA2 Brute Force Attacks using Scalable Low-Cost FPGA Clustering
2016
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Markus, K., Markus, M., & Daniel, B. (2016). Efficient High-Speed WPA2 Brute Force Attacks using Scalable Low-Cost FPGA Clustering. zenodo.org. https://doi.org/10.1007/978-3-662-53140-2_27

Specific Anomaly Detection Method In Wireless Communication Networks
2020
Get citation
Specific Anomaly Detection Method In Wireless Communication Networks. (2020). hdl.handle.net. http://hdl.handle.net/11012/200551

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