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Vulnerability record · CVE-2021-44545 · published 18 August 2022

CVE-2021-44545: Intel killer ac 1550 firmware improper input validation vulnerability

Intel · Killer Ac 1550 Firmware

Improper input validation for some Intel(R) PROSet/Wireless WiFi and Killer(TM) WiFi products may allow an unauthenticated user to potentially enable denial of service via adjacent access.

6.5 CVSS 3.1 Medium EPSS 0.49% · top 60.1% CWE-20 · Improper input validation
6.5CVSS 3.1 base score
0.49%EPSS exploitation probability, 30 days
NoNot in CISA KEV
9Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

Improper input validation for some Intel(R) PROSet/Wireless WiFi and Killer(TM) WiFi products may allow an unauthenticated user to potentially enable denial of service via adjacent access.

CVSS:3.1/AV:A/AC:L/PR:N/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://lists.debian.org/debian-lts-announce/2023/04/msg00002.html
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00621.html PatchVendor Advisory
https://lists.debian.org/debian-lts-announce/2023/04/msg00002.html
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00621.html PatchVendor Advisory

Track CVE-2021-44545 inside VULONE

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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-2021-33847Intel 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%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%

Source: NIST National Vulnerability Database (record CVE-2021-44545), CISA KEV, FIRST EPSS (scores of 2026-10-07). This page is refreshed as NVD updates the record.