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Vulnerability record · CVE-2019-10064 · published 28 February 2020

CVE-2019-10064: W1.fi hostapd vulnerability

WW1.Fi · Hostapd

hostapd before 2.6, in EAP mode, makes calls to the rand() and random() standard library functions without any preceding srand() or srandom() call, which results in inappropriate use of deterministic values. This was fixed in conjunction with CVE-2016-10743.

7.5 CVSS 3.1 High EPSS 3.8% · top 10.2% CWE-331 · CWE-331
7.5CVSS 3.1 base score, v2 5.0
3.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
20References, 12 tagged exploit
17 Jun 2026Last modified by NVD

Description

hostapd before 2.6, in EAP mode, makes calls to the rand() and random() standard library functions without any preceding srand() or srandom() call, which results in inappropriate use of deterministic values. This was fixed in conjunction with CVE-2016-10743.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

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

References

LinkTags
http://packetstormsecurity.com/files/156573/Hostapd-Insufficient-Entropy.html ExploitThird Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2020/Feb/26 ExploitMailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2020/02/27/1 ExploitMailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2020/02/27/1 ExploitMailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2020/02/27/1 ExploitMailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2020/02/27/1 ExploitMailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2020/02/27/2 Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/03/msg00010.html Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/08/msg00013.html Mailing ListThird Party Advisory
https://w1.fi/cgit/hostap/commit/?id=98a516eae8260e6fd5c48ddecf8d006285da7389 PatchThird Party Advisory
http://packetstormsecurity.com/files/156573/Hostapd-Insufficient-Entropy.html ExploitThird Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2020/Feb/26 ExploitMailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2020/02/27/1 ExploitMailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2020/02/27/1 ExploitMailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2020/02/27/1 ExploitMailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2020/02/27/1 ExploitMailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2020/02/27/2 Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/03/msg00010.html Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/08/msg00013.html Mailing ListThird Party Advisory
https://w1.fi/cgit/hostap/commit/?id=98a516eae8260e6fd5c48ddecf8d006285da7389 PatchThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2019-10064), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.