Denial of Service Vulnerability in Huawei Office Service
CVE-2025-66331

3.3LOW

Key Information:

Vendor

Huawei
Status
Harmonyos
Vendor
CVE Published:
8 December 2025

What is CVE-2025-66331?

A denial of service (DoS) vulnerability exists in Huawei's Office Service, which may allow an attacker to disrupt the availability of the service. If successfully exploited, this vulnerability can lead to service outages, affecting users' access and functionality of the Office Service. Organizations utilizing this platform should take immediate steps to assess their systems and apply necessary mitigations to prevent potential exploitation.

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Affected Version(s)

HarmonyOS 5.1.0

HarmonyOS 5.0.1

HarmonyOS 6.0.0

References

https://consumer.huawei.com/en/support/bulletin/2025/12/

CVSS V3.1

Score:
3.3
Severity:
LOW
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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