CVE-2016-4476

hostapd: denial of service via crafted WPA/WPA2 passphrase parameter

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Severity

Low

Red Hat Product Security

5.9

CVSS 3.0

Review impact separately from score.

Published · May 2, 2016

Updated · November 21, 2025

Description

hostapd 0.6.7 through 2.5 and wpa_supplicant 0.6.7 through 2.5 do not reject \n and \r characters in passphrase parameters, which allows remote attackers to cause a denial of service (daemon outage) via a crafted WPS operation.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 5.9
CVSS:3.0/AV:A/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:H

CVSS 2.0 · 1.9
AV:L/AC:M/Au:N/C:N/I:N/A:P

CWE-88 · Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')