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HIGH · 8.0

CVE-2026-20452

In wlan AP driver, there is a possible memory corruption due to a heap buffer overflow. This could lead to remote (proximal/adjacent) code execution with User execution privileges needed. User interac...

Vulnerability Description

In wlan AP driver, there is a possible memory corruption due to a heap buffer overflow. This could lead to remote (proximal/adjacent) code execution with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00480138; Issue ID: MSV-6295.

CVSS Score

8.0

HIGH

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

Affected Products

VendorProductVersions
MediatekMt6890 Firmware-
MediatekMt6890-
MediatekMt7615 Firmware-
MediatekMt7615-
MediatekMt7915 Firmware-
MediatekMt7915-
MediatekMt7916 Firmware-
MediatekMt7916-
MediatekMt7981 Firmware-
MediatekMt7981-
MediatekMt7986 Firmware-
MediatekMt7986-
MediatekMt7990 Firmware-
MediatekMt7990-
MediatekMt7992 Firmware-
MediatekMt7992-
MediatekMt7993 Firmware-
MediatekMt7993-

Related Weaknesses (CWE)

CWE-122

References

FAQ

What is CVE-2026-20452?

CVE-2026-20452 is a vulnerability with a CVSS score of 8.0 (HIGH). In wlan AP driver, there is a possible memory corruption due to a heap buffer overflow. This could lead to remote (proximal/adjacent) code execution with User execution privileges needed. User interac...

How severe is CVE-2026-20452?

CVE-2026-20452 has been rated HIGH with a CVSS base score of 8.0/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-20452?

Check the references section above for vendor advisories and patch information. Affected products include: Mediatek Mt6890 Firmware, Mediatek Mt6890, Mediatek Mt7615 Firmware, Mediatek Mt7615, Mediatek Mt7915 Firmware.