ZDF
Sign inSign up

Vulnerabilities

Vulnerability · CVE-2025-66333

Denial of service (DoS) vulnerability in the office service.

Published Dec 8, 2025 · catalog updated Dec 8, 2025 · Huawei HarmonyOS

Last checked Oct 28, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-66333. EPSS is 0.06%. Act only if a listed version of Huawei HarmonyOS is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Low3.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.06%
Remediation
Advisory link
Affected products
vendor Huawei HarmonyOS 6.0.0

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

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Huawei HarmonyOS 6.0.06.0.0

How to fix CVE-2025-66333

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-66333. EPSS is 0.06%. Act only if a listed version of Huawei HarmonyOS is installed.

Which versions are affected?

Compare what you have installed with Huawei HarmonyOS 6.0.0 6.0.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.06%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 8, 2025 · EUVD

    Detected

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

  2. Dec 8, 2025 · EUVD

    Updated

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

Sources

  • CVE.orgVulnerability recordCVE-2025-66333

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-66333

    30-day exploitation probability 0.06%

    first.org
  • EUVDVulnerability recordEUVD-2025-201678

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

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 28, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 28, 2026
  • CVE.orgOct 28, 2026
  • EUVDOct 27, 2026