CVE-2026-20456

Summary

In wlan STA driver, there is a possible system crash due to a missing bounds check. This could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00480851; Issue ID: MSV-6338.

Affected Software

VendorProductVersion RangeStatus
MediaTek, Inc.MediaTek chipsetMT7902affected
MediaTek, Inc.MediaTek chipsetMT7920affected
MediaTek, Inc.MediaTek chipsetMT7921affected
MediaTek, Inc.MediaTek chipsetMT7922affected
MediaTek, Inc.MediaTek chipsetMT7925affected
MediaTek, Inc.MediaTek chipsetMT7927affected

Weaknesses

  • CWE-787: CWE-787 Out-of-bounds Write

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: total

References