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Vulnerability record · CVE-2015-4141 · published 15 June 2015

CVE-2015-4141: W1.fi wpa supplicant memory buffer overflow vulnerability

WW1.Fi · Wpa Supplicant

The WPS UPnP function in hostapd, when using WPS AP, and wpa_supplicant, when using WPS external registrar (ER), 0.7.0 through 2.4 allows remote attackers to cause a denial of service (crash) via a negative chunk length, which triggers an out-of-bounds read or heap-based buffer overflow.

4.3 CVSS 2.0 Medium EPSS 3.0% · top 13.0% CWE-119 · Memory buffer overflow
4.3CVSS 2.0 base score
3.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
14References
17 Jun 2026Last modified by NVD

Description

The WPS UPnP function in hostapd, when using WPS AP, and wpa_supplicant, when using WPS external registrar (ER), 0.7.0 through 2.4 allows remote attackers to cause a denial of service (crash) via a negative chunk length, which triggers an out-of-bounds read or heap-based buffer overflow.

AV:N/AC:M/Au:N/C:N/I:N/A:P

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.opensuse.org/opensuse-updates/2015-06/msg00019.html Third Party Advisory
http://w1.fi/security/2015-2/wps-upnp-http-chunked-transfer-encoding.txt Vendor Advisory
http://www.debian.org/security/2015/dsa-3397
http://www.openwall.com/lists/oss-security/2015/05/09/4 Mailing List
http://www.openwall.com/lists/oss-security/2015/05/31/6 Mailing List
http://www.ubuntu.com/usn/USN-2650-1
https://security.gentoo.org/glsa/201606-17 Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2015-06/msg00019.html Third Party Advisory
http://w1.fi/security/2015-2/wps-upnp-http-chunked-transfer-encoding.txt Vendor Advisory
http://www.debian.org/security/2015/dsa-3397
http://www.openwall.com/lists/oss-security/2015/05/09/4 Mailing List
http://www.openwall.com/lists/oss-security/2015/05/31/6 Mailing List
http://www.ubuntu.com/usn/USN-2650-1
https://security.gentoo.org/glsa/201606-17 Third Party Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2015-4141), CISA KEV, FIRST EPSS (scores of 2026-10-15). This page is refreshed as NVD updates the record.