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

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.001 (1.1th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 1.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-58280: held from 0.001 to 0.001.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000

Affected products

Weakness classification (CWE)

References

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.