CVE-2021-33110

Name: CVE-2021-33110
Creator: NVD / NIST
Published: 2022-02-09T23:15:15.427+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.50%

Last modified Jun 17, 2026

CVE-2021-33110 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Improper input validation for some Intel(R) Wireless Bluetooth(R) products and Killer(TM) Bluetooth(R) products in Windows 10 and 11 before version 22.80 may allow an unauthenticated user to potentially enable denial of service via adjacent access.. EPSS estimates a 0.50% chance of exploitation in the next 30 days.

Description

Improper input validation for some Intel(R) Wireless Bluetooth(R) products and Killer(TM) Bluetooth(R) products in Windows 10 and 11 before version 22.80 may allow an unauthenticated user to potentially enable denial of service via adjacent access.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.50%

38.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Intel	Ac 1550 Firmware	< 22.80
Intel	Ac 3165 Firmware	< 22.80
Intel	Ac 3168 Firmware	< 22.80
Intel	Ac 7265 Firmware	< 22.80
Intel	Ac 8260 Firmware	< 22.80
Intel	Ac 8265 Firmware	< 22.80
Intel	Ac 9260 Firmware	< 22.80
Intel	Ac 9461 Firmware	< 22.80
Intel	Ac 9462 Firmware	< 22.80
Intel	Ac 9560 Firmware	< 22.80
Intel	Ax1650 Firmware	< 22.80
Intel	Ax1675 Firmware	< 22.80
Intel	Ax200 Firmware	< 22.80
Intel	Ax201 Firmware	< 22.80
Intel	Ax210 Firmware	< 22.80

References

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00581.htmlVendor Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00581.htmlVendor Advisory

Timeline

Published: Feb 9, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-33110?

How severe is CVE-2021-33110?

CVE-2021-33110 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.50% probability of exploitation in the next 30 days.

How do I fix CVE-2021-33110?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-33110?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST