Vulnerability Description
In wlan AP FW, there is a possible out of bounds write due to an incorrect bounds check. This could lead to remote (proximal/adjacent) escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00467553; Issue ID: MSV-5151.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mediatek | Software Development Kit | <= 7.6.7.3 |
| Openwrt | Openwrt | 19.07.0 |
| Mediatek | Mt6890 | - |
| Mediatek | Mt7915 | - |
| Mediatek | Mt7916 | - |
| Mediatek | Mt7981 | - |
| Mediatek | Mt7986 | - |
Related Weaknesses (CWE)
References
FAQ
What is CVE-2026-20430?
CVE-2026-20430 is a vulnerability with a CVSS score of 8.8 (HIGH). In wlan AP FW, there is a possible out of bounds write due to an incorrect bounds check. This could lead to remote (proximal/adjacent) escalation of privilege with no additional execution privileges n...
How severe is CVE-2026-20430?
CVE-2026-20430 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-20430?
Check the references section above for vendor advisories and patch information. Affected products include: Mediatek Software Development Kit, Openwrt Openwrt, Mediatek Mt6890, Mediatek Mt7915, Mediatek Mt7916.