CVE-2025-54638: Huawei Harmonyos

Medium severity, CVSS 5.5. EPSS: 0.1% chance of exploitation in the next 30 days.

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

Affected products

• Huawei Harmonyos: version 5.0.1 only; version 5.1.0 only

Published 2025-08-06. Last modified 2026-06-17.