Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 4.1%
CVSS Severity
CVSS v3 Score 8.8
Products affected by CVE-2026-20430
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cpe:2.3:a:mediatek:software_development_kit:2.4
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cpe:2.3:a:mediatek:software_development_kit:2.5
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cpe:2.3:a:mediatek:software_development_kit:3.3
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cpe:2.3:a:mediatek:software_development_kit:3.5
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cpe:2.3:a:mediatek:software_development_kit:3.6
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cpe:2.3:a:mediatek:software_development_kit:3.7
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cpe:2.3:a:mediatek:software_development_kit:5.0.5.0
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cpe:2.3:a:mediatek:software_development_kit:5.1.0.0
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cpe:2.3:a:mediatek:software_development_kit:7.4.0.1
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cpe:2.3:a:mediatek:software_development_kit:7.6.7.0
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cpe:2.3:a:mediatek:software_development_kit:7.6.7.2
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cpe:2.3:h:mediatek:mt6890:-
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cpe:2.3:h:mediatek:mt7915:-
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cpe:2.3:h:mediatek:mt7916:-
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cpe:2.3:h:mediatek:mt7981:-
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cpe:2.3:h:mediatek:mt7986:-
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cpe:2.3:o:openwrt:openwrt:19.07.0
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cpe:2.3:o:openwrt:openwrt:21.02.0
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cpe:2.3:o:openwrt:openwrt:23.05.0