CVE-2026-20497 in MT6989

Summary

by MITRE • 08/03/2026

In geniezone, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10965550 / ALPS11393405; Issue ID: MSV-6941.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

• Responsible: MediaTek
• Reservation: 11/03/2025
• Disclosure: 08/03/2026
• Moderation: accepted
• Entry: VDB-385480
• CPE: ready
• CWE: CWE-787 (confirmed)
• CVSS: 8.2 (VulDB)
• EPSS: 0.00000
• KEV: no
• Activities: low
• Sector: Industry, Telecommunication, ...

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-20497
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-20497
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-20497/