Vulnerability of out-of-bounds parameter read/write in the Wi-Fi module. Successful exploitation of this vulnerability may cause other apps to be executed with escalated privileges.
Conclusion & alert: CVE-2023-39405 is rated Moderate Risk (50.9/100): CVSS Critical severity, with low exploitation likelihood (EPSS 0.41%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.10% | 0.41% | +0.31% |
| 2 | 2025-11-21 | 0.21% | 0.10% | -0.11% |
| 3 | 2025-11-18 | — | 0.21% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| huawei | emui | 11.0.1 | cpe:2.3:o:huawei:emui:11.0.1:*:*:*:*:*:*:* |
| huawei | emui | 12.0.0 | cpe:2.3:o:huawei:emui:12.0.0:*:*:*:*:*:*:* |
| huawei | emui | 12.0.1 | cpe:2.3:o:huawei:emui:12.0.1:*:*:*:*:*:*:* |
| huawei | emui | 13.0.0 | cpe:2.3:o:huawei:emui:13.0.0:*:*:*:*:*:*:* |
| huawei | harmonyos | 2.0.0 | cpe:2.3:o:huawei:harmonyos:2.0.0:*:*:*:*:*:*:* |
| huawei | harmonyos | 2.0.1 | cpe:2.3:o:huawei:harmonyos:2.0.1:*:*:*:*:*:*:* |
| huawei | harmonyos | 2.1.0 | cpe:2.3:o:huawei:harmonyos:2.1.0:*:*:*:*:*:*:* |
| huawei | harmonyos | 3.0.0 | cpe:2.3:o:huawei:harmonyos:3.0.0:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://consumer.huawei.com/en/support/bulletin/2023/8/ | Vendor Advisory |
| https://device.harmonyos.com/en/docs/security/update/security-bulletins-202308-0000001667644725 | Vendor Advisory |