CVE-2015-4141: The WPS UPnP function in hostapd, when using WPS AP, and wpa_supplicant, when using WPS external registrar...

Security readout for executives and security teams

CVE-2015-4141 can crash systems running affected hostapd or wpa_supplicant WPS functionality. The issue is tied to WPS UPnP or WPS external registrar handling and malformed HTTP chunked data. Business impact is mainly wireless service disruption, not confirmed data theft or full system compromise in the provided sources. Exposure is most likely on wireless infrastructure, embedded appliances, or Linux systems using hostapd WPS AP mode or wpa_supplicant WPS external registrar mode. Systems not using those WPS UPnP paths appear less exposed based on the provided description. Prioritize remediation for internet-adjacent, guest, or business-critical wireless environments using WPS. For systems without WPS UPnP or external registrar use, urgency is lower but inventory validation is still needed. Mitigation focus: Inventory hostapd and wpa_supplicant versions, especially 0.7.0 through 2.4.; Apply relevant vendor security updates from Debian, Ubuntu, Gentoo, openSUSE, or your platform vendor.; Disable WPS UPnP or WPS external registrar use where it is not required..

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.