What is CVE-2025-31712?

CVE-2025-31712 is a medium-severity vulnerability in Google Android, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.1/10. Published 2025-06-03.

How severe is CVE-2025-31712?

Medium severity. CVSS v3 base score is 5.1 out of 10.

Buffer overflow in Google Android

CVE-2025-31712

In cplog service, there is a possible out of bounds write due to a missing bounds check. This could lead to local denial of service with no additional execution privileges needed.

Vulnerability class: Buffer Overflow

Published 2025-06-03 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.1 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L.

EPSS exploit prediction

EPSS: 0.001 (0.1th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 0th percentile — 0.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: -0.000

Affected products

Google Android — versions 13.0, 14.0, 15.0
Unisoc S8000
Unisoc Sc7731e
Unisoc Sc9832e
Unisoc Sc9863a
Unisoc T310
Unisoc T606
Unisoc T610
Unisoc T612
Unisoc T616

Weakness classification (CWE)

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

References

www.unisoc.com/en_us/secy/announcementDetail/1929773763314909186 (Vendor Advisory)

Frequently asked questions

What is CVE-2025-31712?: CVE-2025-31712 is a medium-severity vulnerability in Google Android, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.1/10. Published 2025-06-03.
How severe is CVE-2025-31712?: Medium severity. CVSS v3 base score is 5.1 out of 10.