CVE-2021-33139: Intel AC3168 Firmware

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

Improper conditions check in firmware for some Intel(R) Wireless Bluetooth(R) and Killer(TM) Bluetooth(R) products before version 22.100 may allow an authenticated user to potentially enable denial of service via adjacent access.

Affected products

• Intel AC3168 Firmware: before 22.100 (fixed in 22.100)
• Intel Ac 1550 Firmware: before 22.100 (fixed in 22.100)
• Intel Ac 3165 Firmware: before 22.100 (fixed in 22.100)
• Intel Ac 7265 Firmware: before 22.100 (fixed in 22.100)
• Intel Ac 8260 Firmware: before 22.100 (fixed in 22.100)
• Intel Ac 8265 Firmware: before 22.100 (fixed in 22.100)
• Intel Ac 9260 Firmware: before 22.100 (fixed in 22.100)
• Intel Ac 9461 Firmware: before 22.100 (fixed in 22.100)
• Intel Ac 9462 Firmware: before 22.100 (fixed in 22.100)
• Intel Ac 9560 Firmware: before 22.100 (fixed in 22.100)
• Intel AX1650 Firmware: before 22.100 (fixed in 22.100)
• Intel AX1675 Firmware: before 22.100 (fixed in 22.100)
• Intel AX200 Firmware: before 22.100 (fixed in 22.100)
• Intel AX201 Firmware: before 22.100 (fixed in 22.100)
• Intel AX210 Firmware: before 22.100 (fixed in 22.100)
• Intel AX211 Firmware: before 22.100 (fixed in 22.100)

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