CVE-2026-20430

In wlan AP FW, there is a possible out of bounds write due to an incorrect bounds check. This could lead to remote (proximal/adjacent) escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00467553; Issue ID: MSV-5151.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

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

Configurations

Configuration 1 (hide)

AND

OR	cpe:2.3:a:mediatek:software_development_kit::::::::
	cpe:2.3:o:openwrt:openwrt:19.07.0:-::::::
	cpe:2.3:o:openwrt:openwrt:21.02.0:-::::::
	cpe:2.3:o:openwrt:openwrt:23.05.0:-::::::

OR	cpe:2.3:h:mediatek:mt6890:-:::::::*
	cpe:2.3:h:mediatek:mt7915:-:::::::*
	cpe:2.3:h:mediatek:mt7916:-:::::::*
	cpe:2.3:h:mediatek:mt7981:-:::::::*
	cpe:2.3:h:mediatek:mt7986:-:::::::*

History

No history.

Information

Published : 2026-03-02 09:16

Updated : 2026-03-02 22:05

NVD link : CVE-2026-20430

Mitre link : CVE-2026-20430

CVE.ORG link : CVE-2026-20430

JSON object : View

Products Affected

openwrt

openwrt

mediatek

mt7915
mt7981
mt7916
mt6890
mt7986
software_development_kit

CWE

CWE-787

Out-of-bounds Write

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