CVE-2021-33139

What it is

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.

At a glance

Exploitability

Can be exploited from the same network segment with a low-privilege account. High risk of service disruption.

Exploit odds

0.5% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2022-02-09 23:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 03:54 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 0.5% in the next 30 days (EPSS).
• Severity: 5.7 MEDIUM (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2022-02-09 23:15 UTC

Last modified

2026-06-17 03:54 UTC

Exploit probability

0.5% · EPSS, next 30 days

Weakness

CWE-754

Record status

Modified

Affected

• Intel ax211 Firmware < 22.100
• Intel ax210 Firmware < 22.100
• Intel ax201 Firmware < 22.100
• Intel ax200 Firmware < 22.100
• Intel Ac 9560 Firmware < 22.100
• Intel Ac 9462 Firmware < 22.100
• Intel Ac 9461 Firmware < 22.100
• Intel Ac 9260 Firmware < 22.100

Attack profile CVSS 3.1 · 5.7

Attack vector

Adjacent network

Complexity

Low

Privileges needed

Low

User interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2021-33139.md and follow it. Check whether this project is affected by CVE-2021-33139. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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