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The implementation of PEAP in wpa_supplicant through 2.10 allows authentication bypass. For a successful attack wpa_supplicant must be configured to not verify the network's TLS certificate during Phase 1 authentication and an eap_peap_decrypt vulnerability can then be abused to skip Phase 2 authentication. The attack vector is sending an EAP-TLV Success packet instead of starting Phase 2. This allows an adversary to impersonate Enterprise Wi-Fi networks.

🗓️ 04 Mar 2024 08:00:00Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 1 Views

PEAP bypass in wpa_supplicant 2.10 enables impersonation when certificate verification is not performed.

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21 Feb 2026 07:31Current
7High risk
Vulners AI Score7
CVSS 3.16.5
EPSS0.0417
SSVC
1