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Huawei HarmonyOS Out-of-Bounds Character Read Vulnerability in Bluetooth

Vulnerability

A vulnerability allowing out-of-bounds character reads has been identified in the Bluetooth component of Huawei devices. This vulnerability exists in HarmonyOS versions 6.0.0 and 5.1.0. Successful exploitation may impact the confidentiality of Bluetooth services.

Impact

Exploitation of this vulnerability may lead to unauthorized access to confidential information transmitted over Bluetooth.

Remediation

Users can apply the March 2026 security update, which includes a patch for this vulnerability. Instructions for updating can be found on the Huawei support website.

Added: Mar 5, 2026, 8:20 AM
Updated: Mar 5, 2026, 8:20 AM

Vulnerability Rating

Custom Algorithm
spread
7.8
impact
2.5
exploitability
4.7
remediation
7.7
relevance
3.9
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.