CVE-2025-66334: Medium severity Huawei Harmonyos vulnerability
Published Dec 8, 2025
·Updated
Denial of service (DoS) vulnerability in the office service. Impact: Successful exploitation of this vulnerability may affect availability.
Affected Software
3 affected components
Huawei Harmonyos=5.0.1
Huawei Harmonyos=5.1.0
Huawei Harmonyos=6.0.0
Event History
Dec 8, 2025
CVE Published
via MITRE·08:23 AM
Data Sourced
via MITRE·08:23 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·09:15 AM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2025-66334?
CVE-2025-66334 is classified as a denial of service vulnerability, which may significantly impact the availability of affected systems.
2
Which versions of Huawei HarmonyOS are affected by CVE-2025-66334?
CVE-2025-66334 affects Huawei HarmonyOS versions 5.0.1, 5.1.0, and 6.0.0.
3
How do I fix CVE-2025-66334?
To mitigate CVE-2025-66334, users should update their Huawei HarmonyOS to the latest available version that addresses this vulnerability.
4
What type of vulnerability is CVE-2025-66334?
CVE-2025-66334 is a denial of service (DoS) vulnerability in the office service.
5
What are the potential impacts of exploiting CVE-2025-66334?
Exploitation of CVE-2025-66334 may lead to unavailability of the affected services on HarmonyOS devices.