CVE-2015-4143: The EAP-pwd server and peer implementation in hostapd and wpa_supplicant 1.0 through 2.4 allows remote atta...

Security readout for executives and security teams

This vulnerability can let a remote attacker crash systems using EAP-pwd in hostapd or wpa_supplicant. The business impact is availability loss for affected Wi-Fi authentication or client connectivity, not documented data theft or code execution in the provided sources. Exposure is most likely where hostapd or wpa_supplicant 1.0 through 2.4 is installed and EAP-pwd is enabled or reachable. Systems not using EAP-pwd have materially lower exposure based on the supplied description. Treat as a targeted availability risk for environments relying on affected Wi-Fi authentication components. Prioritize remediation where EAP-pwd is enabled on production or exposed networks; otherwise handle through normal vulnerability maintenance. Mitigation focus: Apply distribution updates from Debian, Ubuntu, Gentoo, or openSUSE advisories where applicable.; Check upstream w1.fi guidance for corrected hostapd and wpa_supplicant releases or patches.; Disable EAP-pwd where it is not required for business operation..

Prepared

Jun 13, 2026, 22:39 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.