CVE-2025-54638 — MEDIUM (5.5)

Vulnerability Description

Issue of inconsistent read/write serialization in the ad module. Impact: Successful exploitation of this vulnerability may affect the availability of the ad service.

CVSS Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Huawei	Harmonyos	5.0.1

Related Weaknesses (CWE)

CWE-502

References

https://consumer.huawei.com/en/support/bulletin/2025/8/Vendor Advisory

FAQ

What is CVE-2025-54638?

CVE-2025-54638 is a vulnerability with a CVSS score of 5.5 (MEDIUM). Issue of inconsistent read/write serialization in the ad module. Impact: Successful exploitation of this vulnerability may affect the availability of the ad service.

How severe is CVE-2025-54638?

CVE-2025-54638 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-54638?

Check the references section above for vendor advisories and patch information. Affected products include: Huawei Harmonyos.