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Huawei HarmonyOS Permission Control Vulnerability in Cellular Data Module

Vulnerability

A permission control vulnerability has been identified in the cellular data module of Huawei devices running HarmonyOS 6.0.0 or 5.1.0. 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 service availability.

Remediation

Users can apply the March 2026 security update, which includes a patch for this vulnerability. Instructions for downloading this update are available on the Huawei support website.

Added: Mar 5, 2026, 8:29 AM
Updated: Mar 5, 2026, 8:29 AM

Vulnerability Rating

Custom Algorithm
spread
7.8
impact
2.5
exploitability
3.3
remediation
0.0
relevance
3.5
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.