CVE-2021-33114: Intel Ac 1550 Firmware

Medium severity, CVSS 5.7. EPSS: 0.5% chance of exploitation in the next 30 days.

Improper 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 authenticated user to potentially enable denial of service via adjacent access.

Affected products

• Intel Ac 1550 Firmware: before 3.1021.733.0 (fixed in 3.1021.733.0)
• Intel Ac 3165 Firmware: before 22.80 (fixed in 22.80)
• Intel Ac 3168 Firmware: before 22.80 (fixed in 22.80)
• Intel Ac 7265 Firmware: before 22.80 (fixed in 22.80)
• Intel Ac 8260 Firmware: before 22.80 (fixed in 22.80)
• Intel Ac 8265 Firmware: before 22.80 (fixed in 22.80)
• Intel Ac 9260 Firmware: before 22.80 (fixed in 22.80)
• Intel Ac 9461 Firmware: before 22.80 (fixed in 22.80)
• Intel Ac 9462 Firmware: before 22.80 (fixed in 22.80)
• Intel Ac 9560 Firmware: before 22.80 (fixed in 22.80)
• Intel AX1650 Firmware: before 3.1021.733.0 (fixed in 3.1021.733.0)
• Intel AX1675 Firmware: before 3.1021.733.0 (fixed in 3.1021.733.0)
• Intel AX200 Firmware: before 22.80 (fixed in 22.80)
• Intel AX201 Firmware: before 22.80 (fixed in 22.80)
• Intel AX210 Firmware: before 22.80 (fixed in 22.80)

Published 2022-02-09. Last modified 2026-06-17.