CVE-2021-33113: Intel Ac 1550 Firmware

High severity, CVSS 8.1. EPSS: 0.7% 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 unauthenticated user to potentially enable denial of service or information disclosure 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.