---
id: CVE-2025-66327
title: "Race condition vulnerability in the network module.\_Impact: Successful exploitation of this vulnerability may affect service confidentiality."
summary: "Race condition vulnerability in the network module.\_Impact: Successful exploitation of this vulnerability may affect service confidentiality."
severity: high
cvss: 7.1
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H'
cwe:
  - CWE-362
vendor: huawei
product: harmonyos
affected:
  - harmonyos = 5.0.1
  - harmonyos = 5.1.0
published: '2025-12-08'
updated: '2026-10-07'
sourceUpdated: '2026-10-07T20:10:01.970'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-66327'
references:
  - url: 'https://consumer.huawei.com/en/support/bulletin/2025/12/'
    label: psirt@huawei.com
tags:
  - nvd
epss: 0.00067
epssPercentile: 0.00017
ingestedAt: '2026-10-07T20:46:46.757Z'
---

## Overview

Race condition vulnerability in the network module. Impact: Successful exploitation of this vulnerability may affect service confidentiality.

## Affected

- `harmonyos = 5.0.1`
- `harmonyos = 5.1.0`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.