What is CVE-2025-58280?

CVE-2025-58280 is a high-severity vulnerability in Huawei Harmonyos, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 8.4/10. Published 2025-09-05.

How severe is CVE-2025-58280?

High severity. CVSS v3 base score is 8.4 out of 10.

Prototype Pollution in Huawei Harmonyos

CVE-2025-58280

Vulnerability of exposing object heap addresses in the Ark eTS module. Impact: Successful exploitation of this vulnerability may affect availability.

Vulnerability class: Prototype Pollution

EPSS: 0.001 (1.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Huawei Harmonyos — versions 5.1.0, 5.0.1

Weakness classification (CWE)

CWE-1321 — Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution)

References

psirt@huawei.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-58280?: CVE-2025-58280 is a high-severity vulnerability in Huawei Harmonyos, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 8.4/10. Published 2025-09-05.
How severe is CVE-2025-58280?: High severity. CVSS v3 base score is 8.4 out of 10.