CVE-2026-20408: Buffer Overflow
In wlan, there is a possible out of bounds write due to a heap buffer overflow. 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: WCNCR00461651; Issue ID: MSV-4758.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-20408?
CVE-2026-20408 has a high severity rating due to the potential for remote escalation of privilege without additional execution privileges.
How do I fix CVE-2026-20408?
To fix CVE-2026-20408, you should apply the patch ID WCNCR00461651 provided by MediaTek.
What kind of attack does CVE-2026-20408 enable?
CVE-2026-20408 enables a remote elevation of privilege attack that can be exploited without user interaction.
Which software versions are affected by CVE-2026-20408?
CVE-2026-20408 affects MediaTek Software Development Kit versions up to 7.6.7.2 and specific OpenWrt versions including 19.07.0, 21.02.0, and 23.05.0.
Is user interaction required to exploit CVE-2026-20408?
No, user interaction is not needed to exploit CVE-2026-20408.