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 interaction is not needed for exploitation. Patch ID: WCNCR00480138; Issue ID: MSV-6295.

CVSS v3 8.0 HIGH

8.0^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.1 / Impact : 5.9

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://corp.mediatek.com/product-security-bulletin/June-2026	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:mediatek:mt6890_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt6890:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:mediatek:mt7615_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt7615:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND

cpe:2.3:o:mediatek:mt7915_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt7915:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND

cpe:2.3:o:mediatek:mt7916_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt7916:-:*:*:*:*:*:*:*

Configuration 5 (hide)

AND

cpe:2.3:o:mediatek:mt7981_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt7981:-:*:*:*:*:*:*:*

Configuration 6 (hide)

AND

cpe:2.3:o:mediatek:mt7986_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt7986:-:*:*:*:*:*:*:*

Configuration 7 (hide)

AND

cpe:2.3:o:mediatek:mt7990_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt7990:-:*:*:*:*:*:*:*

Configuration 8 (hide)

AND

cpe:2.3:o:mediatek:mt7992_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt7992:-:*:*:*:*:*:*:*

Configuration 9 (hide)

AND

cpe:2.3:o:mediatek:mt7993_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt7993:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-06-01 04:16

Updated : 2026-07-22 07:10

NVD link : CVE-2026-20452

Mitre link : CVE-2026-20452

CVE.ORG link : CVE-2026-20452

JSON object : View

Products Affected

mediatek

mt7981_firmware
mt7986_firmware
mt7993
mt7992
mt6890_firmware
mt7981
mt7615
mt7986
mt7915_firmware
mt7915
mt7990
mt6890
mt7990_firmware
mt7992_firmware
mt7916
mt7615_firmware
mt7916_firmware
mt7993_firmware

CWE

CWE-122

Heap-based Buffer Overflow

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