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CVE-2015-4141

15
FAUCET Score

CVE-2015-4141 is a denial-of-service vulnerability affecting hostapd and wpa_supplicant versions 0.7.0 through 2.4, specifically when using WPS AP or WPS external registrar functions. Attackers can trigger a crash via a negative chunk length, leading to an out-of-bounds read or heap-based buffer overflow. With a CVSS score of 4.3 (AV:N/AC:M/Au:N/C:N/I:N/A:P), this vulnerability can be exploited remotely with medium attack complexity, resulting in partial availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
0.7.0CPE matchmatch criteria
cpe:2.3:a:w1.fi:wpa_supplicant:0.7.0:*:*:*:*:*:*:*
0.7.1CPE matchmatch criteria
cpe:2.3:a:w1.fi:wpa_supplicant:0.7.1:*:*:*:*:*:*:*
0.7.2CPE matchmatch criteria
cpe:2.3:a:w1.fi:wpa_supplicant:0.7.2:*:*:*:*:*:*:*
0.7.3CPE matchmatch criteria
cpe:2.3:a:w1.fi:wpa_supplicant:0.7.3:*:*:*:*:*:*:*
1.0CPE matchmatch criteria
cpe:2.3:a:w1.fi:wpa_supplicant:1.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.99%
Probability of exploitation in next 30 days
EPSS Percentile
85.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0299 is in the 79th percentile among its peer group of 19,958 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2015-4141Low

hostapd: WPS UPnP vulnerability with HTTP chunked transfer encoding

May 4, 2015

References

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