What is CVE-2024-40674?

CVE-2024-40674 is a medium-severity vulnerability in Google Android, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.3/10. Published 2025-01-28.

How severe is CVE-2024-40674?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Buffer overflow in Google Android

CVE-2024-40674

In validateSsid of WifiConfigurationUtil.java, there is a possible way to overflow a system configuration file due to a logic error in the code. This could lead to local denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.

Vulnerability class: Buffer Overflow

Published 2025-01-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.002 (10.6th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 11th percentile — 10.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Google Android — versions 14.0, 14

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

android.googlesource.com/platform/packages/modules/Wifi/+/debc548ac085ba1ab0582… (Product)
source.android.com/security/bulletin/2024-10-01 (Vendor Advisory)

Frequently asked questions

What is CVE-2024-40674?: CVE-2024-40674 is a medium-severity vulnerability in Google Android, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.3/10. Published 2025-01-28.
How severe is CVE-2024-40674?: Medium severity. CVSS v3 base score is 5.3 out of 10.