CVE-2015-4146

CVE-2015-4146 is a medium-severity vulnerability in W1.fi Wpa Supplicant with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

The EAP-pwd peer implementation in hostapd and wpa_supplicant 1.0 through 2.4 does not clear the L (Length) and M (More) flags before determining if a response should be fragmented, which allows remote attackers to cause a denial of service (crash) via a crafted message.

Frequently asked questions

What is CVE-2015-4146?
The EAP-pwd peer implementation in hostapd and wpa_supplicant 1.0 through 2.4 does not clear the L (Length) and M (More) flags before determining if a response should be fragmented, which allows remote attackers to cause a denial of service (crash) via a crafted message.
How severe is CVE-2015-4146?
CVE-2015-4146 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2015-4146 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-4146?
CVE-2015-4146 primarily affects W1.fi Wpa Supplicant. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-4146?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-4146 published?
CVE-2015-4146 was published on 2015-06-15 and last updated on 2026-06-17.

References

Affected products (16)

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