What is CVE-2025-20671?

CVE-2025-20671 is a high-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 7.0/10. Published 2025-05-05.

How severe is CVE-2025-20671?

High severity. CVSS v3 base score is 7.0 out of 10.

Buffer overflow in Google Android

CVE-2025-20671

In thermal, there is a possible out of bounds write due to a race condition. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation…

Vulnerability class: Buffer Overflow

EPSS: 0.001 (0.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Google Android — versions 14.0, 15.0
Mediatek Mt2718
Mediatek Mt6878
Mediatek Mt6897
Mediatek Mt6899
Mediatek Mt6989
Mediatek Mt6991
Mediatek Mt8196
Mediatek Mt8391
Mediatek Mt8676

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

security@mediatek.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-20671?: CVE-2025-20671 is a high-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 7.0/10. Published 2025-05-05.
How severe is CVE-2025-20671?: High severity. CVSS v3 base score is 7.0 out of 10.