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Vulnerability record · CVE-2021-0075 · published 17 November 2021

CVE-2021-0075: Intel ax210 firmware out-of-bounds write vulnerability

Intel · Ax210 Firmware

Out-of-bounds write in firmware for some Intel(R) PROSet/Wireless WiFi in multiple operating systems and some Killer(TM) WiFi in Windows 10 may allow a privileged user to potentially enable denial of service via local access.

5.5 CVSS 3.1 Medium EPSS 0.22% · top 88.9% CWE-787 · Out-of-bounds write
5.5CVSS 3.1 base score, v2 2.1
0.22%EPSS exploitation probability, 30 days
NoNot in CISA KEV
16Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Out-of-bounds write in firmware for some Intel(R) PROSet/Wireless WiFi in multiple operating systems and some Killer(TM) WiFi in Windows 10 may allow a privileged user to potentially enable denial of service via local access.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

16 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00509.html Vendor Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00509.html Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2021-0071Intel ax210 firmware improper input validation vulnerabilityImproper input validation in firmware for some Intel(R) PROSet/Wireless WiFi in UEFI may allow an unauthenticated user to potentially enable escalati…EPSS 0.42%8.1CVE-2021-33113Intel ac 3165 firmware improper input validation vulnerabilityImproper input validation for some Intel(R) PROSet/Wireless WiFi in multiple operating systems and Killer(TM) WiFi in Windows 10 and 11 may allow an …EPSS 0.69%8.1CVE-2021-0078Intel ax210 firmware improper input validation vulnerabilityImproper input validation in software for some Intel(R) PROSet/Wireless WiFi and Killer(TM) WiFi in Windows 10 may allow an unauthenticated user to p…EPSS 0.43%7.8CVE-2021-0151Intel ax210 firmware vulnerabilityImproper access control in the installer for some Intel(R) Wireless Bluetooth(R) and Killer(TM) Bluetooth(R) products in Windows 10 may allow an auth…EPSS 0.25%7.8CVE-2021-0064Intel ax210 firmware incorrect permission assignment vulnerabilityInsecure inherited permissions in the Intel(R) PROSet/Wireless WiFi software installer for Windows 10 before version 22.40 may allow an authenticated…EPSS 0.22%7.8CVE-2021-0065Intel ax210 firmware incorrect default permissions vulnerabilityIncorrect default permissions in the Intel(R) PROSet/Wireless WiFi software installer for Windows 10 before version 22.40 may allow an authenticated …EPSS 0.22%7.8CVE-2021-0082Intel ax210 firmware uncontrolled search path element vulnerabilityUncontrolled search path in software installer for Intel(R) PROSet/Wireless WiFi in Windows 10 may allow an authenticated user to potentially enable …EPSS 0.26%7.8CVE-2020-0555Intel ax201 firmware improper input validation vulnerabilityImproper input validation for some Intel(R) Wireless Bluetooth(R) products may allow an authenticated user to potentially enable escalation of privil…EPSS 0.32%

Source: NIST National Vulnerability Database (record CVE-2021-0075), CISA KEV, FIRST EPSS (scores of 2026-09-30). This page is refreshed as NVD updates the record.