In wlan service, there is a possible out of bounds write due to improper input validation. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation Patch ID: WCNCR00350938; Issue ID: MSV-1132.
Conclusion & alert: CVE-2024-20017 is rated High Exploit Risk (83.7/100): CVSS Critical severity, with high exploitation likelihood (EPSS 46.33%, 99th percentile). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 68.16% | 46.33% | -21.83% |
| 2 | 2026-03-23 | 68.65% | 68.16% | -0.49% |
| 3 | 2026-01-19 | — | 68.65% | — |
Full EPSS history (25 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 |
|---|---|---|---|
| mediatek | software_development_kit | <= 7.4.0.1 | cpe:2.3:a:mediatek:software_development_kit:*:*:*:*:*:*:*:* |
| mediatek | software_development_kit | <= 7.6.7.0 | cpe:2.3:a:mediatek:software_development_kit:*:*:*:*:*:*:*:* |
| 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:-:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://corp.mediatek.com/product-security-bulletin/March-2024 | Vendor Advisory |
| https://blog.coffinsec.com/0day/2024/08/30/exploiting-CVE-2024-20017-four-different-ways.html | Exploit Technical Description Third Party Advisory |
| https://blog.sonicwall.com/en-us/2024/09/critical-exploit-in-mediatek-wi-fi-chipsets-zero-click-vulnerability-cve-2024-20017-threatens-routers-and-smartphones/ | Exploit Third Party Advisory |
| https://news.ycombinator.com/item?id=41605680 | Third Party Advisory |