How severe is CVE-2025-4657?

CVE-2025-4657 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-4657 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-4657?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-4657 have an EU (EUVD) identifier?

Yes. CVE-2025-4657 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-21798.

When was CVE-2025-4657 published?

CVE-2025-4657 was published on 2025-07-17 and last updated on 2026-06-17.

CVE-2025-4657

CVE-2025-4657 is a medium-severity vulnerability with a CVSS 3.x base score of 6.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-122.

Key facts

Severity: Medium (CVSS 3.x base score 6.7)
CVSS v4: 8.4
EPSS exploit prediction: 0% (6th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-21798
Weakness: CWE-122
Published: 2025-07-17
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2025-4657?: CVE-2025-4657 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-4657 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-4657?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-4657 have an EU (EUVD) identifier?: Yes. CVE-2025-4657 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-21798.
When was CVE-2025-4657 published?: CVE-2025-4657 was published on 2025-07-17 and last updated on 2026-06-17.

References

https://iknow.lenovo.com.cn/detail/430155

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