CVE-2021-33113

What it is

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.

At a glance

Exploitability

Can be exploited from the same network segment without logging in. High risk of data exposure, service disruption.

Exploit odds

0.7% 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: 0.7% in the next 30 days (EPSS).
• Severity: 8.1 HIGH (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

0.7% · EPSS, next 30 days

Weakness

CWE-20 · Improper input validation

Record status

Modified

Affected

• 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

Attack profile CVSS 3.1 · 8.1

Attack vector

Adjacent network

Complexity

Low

Privileges needed

None

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Is it in your code?

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