Buffer overflow in Lenovo App Store

CVE-2025-4657

A buffer overflow vulnerability was reported in the Lenovo Protection Driver, prior to version 5.1.1110.4231, used in Lenovo PC Manager, Lenovo Browser, and Lenovo App Store could allow a local attacker with elevated privileges to execute arbitrary code.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (5.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 5.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-4657: held from 0.002 to 0.002.

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

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-4657?
CVE-2025-4657 is a medium-severity vulnerability in Lenovo App Store, classified under Heap-based Buffer Overflow. CVSS score: 6.7/10. Published 2025-07-17.
How severe is CVE-2025-4657?
Medium severity. CVSS v3 base score is 6.7 out of 10.