In wlan AP driver, there is a possible information disclosure due to an uncaught exception. This could lead to remote (proximal/adjacent) information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00408868; Issue ID: MSV-3031.
Conclusion & alert: CVE-2025-20663 is rated Moderate Risk (42.6/100): CVSS High severity, with low exploitation likelihood (EPSS 0.45%). 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 | 0.39% | 0.45% | +0.06% |
| 2 | 2026-05-18 | 0.15% | 0.39% | +0.24% |
| 3 | 2026-05-16 | — | 0.15% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| mediatek | software_development_kit | <= 7.4.0.1 | cpe:2.3:a:mediatek:software_development_kit:*:*:*:*:*:*:*:* |
| mediatek | mt7915 | — | cpe:2.3:h:mediatek:mt7915:-:*:*:*:*:*:*:* |
| mediatek | software_development_kit | <= 7.6.7.2 | cpe:2.3:a:mediatek:software_development_kit:*:*:*:*:*:*:*:* |
| mediatek | mt7916 | — | cpe:2.3:h:mediatek:mt7916:-:*:*:*:*:*:*:* |
| mediatek | mt7981 | — | cpe:2.3:h:mediatek:mt7981:-:*:*:*:*:*:*:* |
| mediatek | mt7986 | — | cpe:2.3:h:mediatek:mt7986:-:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://corp.mediatek.com/product-security-bulletin/April-2025 | Vendor Advisory |