Local Denial of Service Vulnerability in MediaTek WLAN STA Driver
CVE-2026-20456

Currently unrated

Key Information:

Vendor

MediaTek

Vendor
CVE Published:
1 June 2026

What is CVE-2026-20456?

The MediaTek WLAN STA driver is susceptible to a local denial of service vulnerability due to the absence of necessary bounds checks. This flaw may result in a system crash, requiring user execution privileges for exploitation. Notably, the vulnerability does not necessitate user interaction, allowing it to be exploited without any action from the end-user. It is essential for users to apply the patch WCNCR00480851 to mitigate this issue effectively.

Affected Version(s)

MediaTek chipset MT7902

MediaTek chipset MT7920

MediaTek chipset MT7921

References

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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