What is CVE-2021-41789?

CVE-2021-41789 is a medium-severity vulnerability in Mediatek Mt7615, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2022-01-04.

How severe is CVE-2021-41789?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Improper input validation in Mediatek Mt7615

CVE-2021-41789

In wifi driver, there is a possible system crash due to a missing validation check. This could lead to remote denial of service from a proximal attacker with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: GN20190426015; Issue ID: GN20190426015.

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

Published 2022-01-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.006 (47.1th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 47.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Mediatek Mt7615
Mediatek Mt7615 Firmware — versions 4.4.1.1
Mediatek Mt7622
Mediatek Mt7622 Firmware — versions 4.4.1.1

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

corp.mediatek.com/product-security-bulletin/January-2022 (Vendor Advisory)

Frequently asked questions

What is CVE-2021-41789?: CVE-2021-41789 is a medium-severity vulnerability in Mediatek Mt7615, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2022-01-04.
How severe is CVE-2021-41789?: Medium severity. CVSS v3 base score is 6.5 out of 10.