Huawei HarmonyOS Race Condition Vulnerability in the Network Module

A race condition vulnerability has been identified in the network module of Huawei HarmonyOS. This vulnerability creates a timing issue that could be exploited to interfere with the normal operation of the service. Successful exploitation may lead to unauthorized access to sensitive information, thereby affecting service confidentiality. The vulnerability is present in HarmonyOS versions 5.1.0 and 5.0.1.

Impact

Exploitation of this vulnerability may result in unauthorized access to sensitive information, compromising service confidentiality.

Remediation

Users can refer to the Huawei December 2025 Security Bulletin for guidance on applying the latest security updates, which include patches for this vulnerability.