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CRITICAL · 9.3

CVE-2026-20407

In wlan STA driver, there is a possible escalation of privilege due to a missing bounds check. This could lead to local escalation of privilege with User execution privileges needed. User interaction ...

Vulnerability Description

In wlan STA driver, there is a possible escalation of privilege due to a missing bounds check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00464377; Issue ID: MSV-4905.

CVSS Score

9.3

CRITICAL

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
MediatekNbiot Sdk<= 3.8
MediatekMt7902-
MediatekMt7920-
MediatekMt7921-
MediatekMt7922-
MediatekMt7925-
MediatekMt7927-

Related Weaknesses (CWE)

CWE-787

References

FAQ

What is CVE-2026-20407?

CVE-2026-20407 is a vulnerability with a CVSS score of 9.3 (CRITICAL). In wlan STA driver, there is a possible escalation of privilege due to a missing bounds check. This could lead to local escalation of privilege with User execution privileges needed. User interaction ...

How severe is CVE-2026-20407?

CVE-2026-20407 has been rated CRITICAL with a CVSS base score of 9.3/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-20407?

Check the references section above for vendor advisories and patch information. Affected products include: Mediatek Nbiot Sdk, Mediatek Mt7902, Mediatek Mt7920, Mediatek Mt7921, Mediatek Mt7922.