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CVE-2015-4146

16
FAUCET Score

CVE-2015-4146 describes a denial-of-service vulnerability affecting the EAP-pwd peer implementation in hostapd and wpa_supplicant versions 1.0 through 2.4. A remote attacker can trigger a crash by sending a crafted message, exploiting the software's failure to properly clear fragmentation flags. This vulnerability has a CVSS score of 5.0 (medium severity), indicating a low attack complexity and no impact on confidentiality or integrity, but a potential for availability disruption. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.0CPE matchmatch criteria
cpe:2.3:a:w1.fi:wpa_supplicant:1.0:*:*:*:*:*:*:*
1.1CPE matchmatch criteria
cpe:2.3:a:w1.fi:wpa_supplicant:1.1:*:*:*:*:*:*:*
2.0CPE matchmatch criteria
cpe:2.3:a:w1.fi:wpa_supplicant:2.0:*:*:*:*:*:*:*
2.1CPE matchmatch criteria
cpe:2.3:a:w1.fi:wpa_supplicant:2.1:*:*:*:*:*:*:*
2.2CPE matchmatch criteria
cpe:2.3:a:w1.fi:wpa_supplicant:2.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.48%
Probability of exploitation in next 30 days
EPSS Percentile
87.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0348 is in the 84th percentile among its peer group of 23,725 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, 0.1 Bluesky, 0.0 Mastodon, and 0.4 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-2015-4146Low

hostapd: EAP-pwd missing payload length validation

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/2015-4/0005-EAP-pwd-peer-Fix-asymmetric-fragmentation-behavior.patch
w1.fi / security/2015-4/eap-pwd-missing-payload-length-validation.txt
Vendor Advisory
debian.org / security/2015/dsa-3397
openwall.com / lists/oss-security/2015/05/09/6
openwall.com / lists/oss-security/2015/05/31/6
ubuntu.com / usn/USN-2650-1