CVE-2025-54638

MEDIUM

HarmonyOS - Denial of Service via AD Module Deserialization

Title source: llm

Description

Issue of inconsistent read/write serialization in the ad module. Impact: Successful exploitation of this vulnerability may affect the availability of the ad service.

References (1)

Core 1

Core References

Vendor Advisory

https://consumer.huawei.com/en/support/bulletin/2025/8/

Scores

CVSS v3 5.5

EPSS 0.0008

EPSS Percentile 23.9%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-502

Status published

Products (2)

huawei/harmonyos 5.0.1

huawei/harmonyos 5.1.0

Published Aug 06, 2025

Tracked Since Feb 18, 2026