CVE-2025-66331

LOW

Published Dec 8, 2025 Modified Dec 8, 2025 CWE-494

Description

Denial of service (DoS) vulnerability in the office service. Impact: Successful exploitation of this vulnerability may affect availability.

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CVSS v3.1 Score

3.3

LOW

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

Weakness Type (CWE)

CWE-494 CWE-494

Affected Products

Vendor	Product	Versions
huawei	harmonyos	All
huawei	harmonyos	All
huawei	harmonyos	All

References

Advisories & Patches

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

Frequently Asked Questions

What is CVE-2025-66331? +

Denial of service (DoS) vulnerability in the office service. Impact: Successful exploitation of this vulnerability may affect availability. It has a CVSS v3.1 base score of 3.3 (LOW).

How severe is CVE-2025-66331? +

CVE-2025-66331 has a CVSS v3.1 score of 3.3 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.

What products are affected by CVE-2025-66331? +

CVE-2025-66331 affects products from huawei, specifically: harmonyos. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-66331? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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