Race Condition in Network Module Enables Confidentiality Compromise
CVE-2025-66327 Published on December 8, 2025
Race condition vulnerability in the network module. Impact: Successful exploitation of this vulnerability may affect service confidentiality.
Vulnerability Analysis
CVE-2025-66327 can be exploited with local system access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
What is a Race Condition Vulnerability?
The program contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently.
CVE-2025-66327 has been classified to as a Race Condition vulnerability or weakness.
Products Associated with CVE-2025-66327
Want to know whenever a new CVE is published for Huawei Harmonyos? stack.watch will email you.
Affected Versions
Huawei HarmonyOS:- Version 5.1.0 is affected.
- Version 5.0.1 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.