What is CVE-2021-33114?

CVE-2021-33114 is a medium-severity vulnerability in Intel Ac 1550 Firmware, classified under Improper Input Validation. CVSS score: 5.7/10. Published 2022-02-09.

How severe is CVE-2021-33114?

Medium severity. CVSS v3 base score is 5.7 out of 10.

Improper input validation in Intel Ac 1550 Firmware

CVE-2021-33114

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 authenticated user to potentially enable denial of service via adjacent access.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2022-02-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.005 (42.5th percentile), scored 2026-11-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 42.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00582.html (Vendor Advisory)

Frequently asked questions

What is CVE-2021-33114?: CVE-2021-33114 is a medium-severity vulnerability in Intel Ac 1550 Firmware, classified under Improper Input Validation. CVSS score: 5.7/10. Published 2022-02-09.
How severe is CVE-2021-33114?: Medium severity. CVSS v3 base score is 5.7 out of 10.