In wlan AP driver, there is a possible way to inject arbitrary packet due to a missing permission check. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00413202; Issue ID: MSV-3303.
Conclusion & alert: CVE-2025-20674 is rated Moderate Risk (63.6/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 0.59%). 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 | 2026-03-29 | 0.28% | 0.59% | +0.30% |
| 2 | 2026-03-02 | 0.50% | 0.28% | -0.22% |
| 3 | 2026-03-01 | — | 0.50% | — |
Full EPSS history (19 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 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| openwrt | openwrt | 19.07.0 | cpe:2.3:o:openwrt:openwrt:19.07.0:-:*:*:*:*:*:* |
| openwrt | openwrt | 21.02.0 | cpe:2.3:o:openwrt:openwrt:21.02.0:-:*:*:*:*:*:* |
| openwrt | openwrt | 23.05 | cpe:2.3:o:openwrt:openwrt:23.05:*:*:*:*:*:*:* |
| mediatek | software_development_kit | <= 7.6.7.2 | cpe:2.3:a:mediatek:software_development_kit:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://corp.mediatek.com/product-security-bulletin/June-2025 | Vendor Advisory |