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Vulnerability record · CVE-2021-26254 · published 18 August 2022

CVE-2021-26254: Intel killer ac 1550 firmware out-of-bounds read vulnerability

Intel · Killer Ac 1550 Firmware

Out of bounds read for some Intel(R) PROSet/Wireless WiFi and Killer(TM) WiFi products may allow a privileged user to potentially enable denial of service via local access.

5.5 CVSS 3.1 Medium EPSS 0.19% · top 91.6% CWE-125 · Out-of-bounds read
5.5CVSS 3.1 base score
0.19%EPSS exploitation probability, 30 days
NoNot in CISA KEV
9Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Out of bounds read for some Intel(R) PROSet/Wireless WiFi and Killer(TM) WiFi products 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

9 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-00621.html PatchVendor Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00621.html PatchVendor Advisory

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Related vulnerabilities

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

8.8CVE-2022-21139Intel wireless-ac 9560 firmware inadequate encryption strength vulnerabilityInadequate encryption strength for some Intel(R) PROSet/Wireless WiFi products may allow an unauthenticated user to potentially enable escalation of …EPSS 0.16%8.8CVE-2021-0163Intel amt ac 8260 firmware improper input validation vulnerabilityImproper Validation of Consistency within input in software for Intel(R) PROSet/Wireless Wi-Fi and Killer(TM) Wi-Fi in Windows 10 and 11 may allow an…EPSS 0.41%8.8CVE-2021-0162Intel amt ac 8260 firmware improper input validation vulnerabilityImproper input validation in software for Intel(R) PROSet/Wireless Wi-Fi and Killer(TM) Wi-Fi in Windows 10 and 11 may allow an unauthenticated user …EPSS 0.41%8.4CVE-2021-0066Intel amt ac 8260 firmware improper input validation vulnerabilityImproper input validation in firmware for Intel(R) PROSet/Wireless Wi-Fi in multiple operating systems and Killer(TM) Wi-Fi in Windows 10 and 11 may …EPSS 0.32%7.8CVE-2022-21181Intel wireless-ac 9560 firmware improper input validation vulnerabilityImproper input validation for some Intel(R) PROSet/Wireless WiFi and Killer(TM) WiFi products may allow a privileged user to potentially enable escal…EPSS 0.27%7.8CVE-2021-37409Intel wireless-ac 9560 firmware incorrect authorization vulnerabilityImproper access control for some Intel(R) PROSet/Wireless WiFi and Killer(TM) WiFi products may allow a privileged user to potentially enable escalat…EPSS 0.24%7.8CVE-2021-23223Intel killer wi-fi 6e ax1690 firmware vulnerabilityImproper initialization for some Intel(R) PROSet/Wireless WiFi and Killer(TM) WiFi products may allow a privileged user to potentially enable escalat…EPSS 0.27%7.8CVE-2021-33847Intel wi-fi 6 ax411 firmware memory buffer overflow vulnerabilityImproper buffer restrictions in firmware for some Intel(R) Wireless Bluetooth(R) and Killer(TM) Bluetooth(R) products before version 22.120 may allow…EPSS 0.22%

Source: NIST National Vulnerability Database (record CVE-2021-26254), CISA KEV, FIRST EPSS (scores of 2026-10-07). This page is refreshed as NVD updates the record.