What is CVE-2025-25277?

CVE-2025-25277 is a medium-severity vulnerability in Openharmony, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 6.3/10. Published 2026-03-16.

How severe is CVE-2025-25277?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Vulnerability in Openharmony

CVE-2025-25277

in OpenHarmony v5.1.0 and prior versions allow a local attacker arbitrary code execution in pre-installed apps through using incompatible type. This vulnerability can be exploited only in restricted scenarios.

EPSS: 0.000 (0.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N.

Affected products

Openharmony — versions v5.0.3

Weakness classification (CWE)

CWE-843 — Access of Resource Using Incompatible Type (Type Confusion)

References

gitcode.com/openharmony/security/tree/master/zh/security-disclosure/2025/2025-1…

Frequently asked questions

What is CVE-2025-25277?: CVE-2025-25277 is a medium-severity vulnerability in Openharmony, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 6.3/10. Published 2026-03-16.
How severe is CVE-2025-25277?: Medium severity. CVSS v3 base score is 6.3 out of 10.