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Huawei HarmonyOS and EMUI Bluetooth Module Permission Control Vulnerability

Vulnerability

A permission control vulnerability has been identified in the Bluetooth module of Huawei devices running HarmonyOS versions 4.3.1, 4.3.0, 4.2.0, 4.0.0, as well as EMUI versions 15.0.0, 14.2.0, and 14.0.0. This vulnerability could be exploited to affect the availability of the service.

Impact

Exploitation of this vulnerability may lead to a denial-of-service condition, causing disruptions in Bluetooth functionality.

Remediation

Users can refer to the Huawei support bulletin for July 2026 for guidance on applying the latest security updates that address this vulnerability.

Added: Jul 15, 2026, 1:30 PM
Updated: Jul 15, 2026, 1:30 PM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
0.6
exploitability
3.3
remediation
7.7
relevance
9.8
threat
0.0
urgency
2.9
incentive
0.0

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.