What is CVE-2024-20018?

CVE-2024-20018 is a critical-severity vulnerability in Mediatek Mt7615, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2024-03-04.

How severe is CVE-2024-20018?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2024-20018 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Mediatek Mt7615

CVE-2024-20018

In wlan driver, there is a possible out of bounds write due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00348479; Issue ID: MSV-1019.

Vulnerability class: Buffer Overflow

Published 2024-03-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.010 (60.7th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 60.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Mediatek Mt7615
Mediatek Software Development Kit
Mediatek, Inc. Mt7615 — versions SDK version 5.1.0.0 and before

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

References

corp.mediatek.com/product-security-bulletin/March-2024 (Vendor Advisory)

Frequently asked questions

What is CVE-2024-20018?: CVE-2024-20018 is a critical-severity vulnerability in Mediatek Mt7615, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2024-03-04.
How severe is CVE-2024-20018?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2024-20018 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.