What is CVE-2026-58374?

CVE-2026-58374 is a medium-severity vulnerability in W1.fi Hostapd, classified under Off-by-one Error. CVSS score: 6.5/10. Published 2026-06-30.

How severe is CVE-2026-58374?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in W1.fi Hostapd

CVE-2026-58374

In hostapd before 2.12, a missing bounds check in AP-mode Wi-Fi 7 (IEEE 802.11be) Multi-Link Operation (MLO) association request processing allows an unauthenticated attacker within wireless range to send a crafted management frame contain…

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

W1.fi Hostapd — versions 0

Weakness classification (CWE)

CWE-193 — Off-by-one Error

References

cve@mitre.org (patch)
cve@mitre.org (patch)
cve@mitre.org (vendor-advisory, patch)
cve@mitre.org (vendor-advisory)
cve@mitre.org

Frequently asked questions

What is CVE-2026-58374?: CVE-2026-58374 is a medium-severity vulnerability in W1.fi Hostapd, classified under Off-by-one Error. CVSS score: 6.5/10. Published 2026-06-30.
How severe is CVE-2026-58374?: Medium severity. CVSS v3 base score is 6.5 out of 10.