CVE-2021-44545

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-08-18 · updated 2026-06-17
Weakness: CWE-20

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.

Affected products

Intel Killer Ac 1550 Firmware: before 3.1122.1105 — fixed in 3.1122.1105
Intel Killer Wi-Fi 6 Ax1650 Firmware: before 3.1122.1105 — fixed in 3.1122.1105
Intel Killer Wi-Fi 6E Ax1675 Firmware: before 3.1122.1105 — fixed in 3.1122.1105
Intel Killer Wi-Fi 6E Ax1690 Firmware: before 3.1122.1105 — fixed in 3.1122.1105
Intel Proset Wi-Fi 6E Ax210 Firmware: before 22.120 — fixed in 22.120
Intel Wi-Fi 6 Ax200 Firmware: before 22.120 — fixed in 22.120
Intel Wi-Fi 6 Ax201 Firmware: before 22.120 — fixed in 22.120
Intel Wi-Fi 6E Ax211 Firmware: before 22.120 — fixed in 22.120
Intel Wi-Fi 6E Ax411 Firmware: before 22.120 — fixed in 22.120

How to fix

Upgrade to a fixed version: Intel Killer Ac 1550 Firmware 3.1122.1105; Intel Killer Wi-Fi 6 Ax1650 Firmware 3.1122.1105; Intel Killer Wi-Fi 6E Ax1675 Firmware 3.1122.1105; Intel Killer Wi-Fi 6E Ax1690 Firmware 3.1122.1105; Intel Proset Wi-Fi 6E Ax210 Firmware 22.120; Intel Wi-Fi 6 Ax200 Firmware 22.120; Intel Wi-Fi 6 Ax201 Firmware 22.120; Intel Wi-Fi 6E Ax211 Firmware 22.120; Intel Wi-Fi 6E Ax411 Firmware 22.120. Check the vendor advisory for mitigations.

References

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