Input Verification Vulnerability in Compression/Decompression Module
CVE-2025-66324 Published on December 8, 2025
Input verification vulnerability in the compression and decompression module. Impact: Successful exploitation of this vulnerability may affect app data integrity.
Vulnerability Analysis
CVE-2025-66324 is exploitable with local system access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
Improper Privilege Management
The software does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.
Products Associated with CVE-2025-66324
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Affected Versions
Huawei HarmonyOS:- Version 5.1.0 is affected.
- Version 5.0.1 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.