CVE-2021-0063

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-11-17 · updated 2026-06-17
Weakness: CWE-20

Description

Improper input validation in firmware for some Intel(R) PROSet/Wireless WiFi and Killer(TM) WiFi in Windows 10 may allow an unauthenticated user to potentially enable denial of service via adjacent access.

Affected products

Intel 7265 Firmware: before 22.40 — fixed in 22.40
Intel Ac1550 Firmware: before 2.4.1541 — fixed in 2.4.1541
Intel Ac 3165 Firmware: before 22.40 — fixed in 22.40
Intel Ac 3168 Firmware: before 22.40 — fixed in 22.40
Intel Ac 8260 Firmware: before 22.40 — fixed in 22.40
Intel Ac 8265 Firmware: before 22.40 — fixed in 22.40
Intel Ac 9260 Firmware: before 22.40 — fixed in 22.40
Intel Ac 9461 Firmware: before 22.40 — fixed in 22.40
Intel Ac 9462 Firmware: before 22.40 — fixed in 22.40
Intel Ac 9560 Firmware: before 22.40 — fixed in 22.40
Intel Ax1650 Firmware: before 2.4.1541 — fixed in 2.4.1541
Intel Ax1675 Firmware: before 2.4.1541 — fixed in 2.4.1541
Intel Ax200 Firmware: before 22.40 — fixed in 22.40
Intel Ax201 Firmware: before 22.40 — fixed in 22.40
Intel Ax210 Firmware: before 22.40 — fixed in 22.40

How to fix

Upgrade to a fixed version: Intel 7265 Firmware 22.40; Intel Ac1550 Firmware 2.4.1541; Intel Ac 3165 Firmware 22.40; Intel Ac 3168 Firmware 22.40; Intel Ac 8260 Firmware 22.40; Intel Ac 8265 Firmware 22.40; Intel Ac 9260 Firmware 22.40; Intel Ac 9461 Firmware 22.40; Intel Ac 9462 Firmware 22.40; Intel Ac 9560 Firmware 22.40; Intel Ax1650 Firmware 2.4.1541; Intel Ax1675 Firmware 2.4.1541. Check the vendor advisory for mitigations.

References

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