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Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2026-20419

In wlan AP/STA firmware, there is a possible system becoming irresponsive due to an uncaught exception. This could lead to remote (proximal/adjacent) denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00461663 / WCNCR00463309; Issue ID: MSV-4852.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.001

EPSS Ranking 20.4%

CVSS Severity

CVSS v3 Score 7.5

References

https://corp.mediatek.com/product-security-bulletin/February-2026

Products affected by CVE-2026-20419

Mediatek » Nbiot Sdk » Version: 2.8.1

cpe:2.3:a:mediatek:nbiot_sdk:2.8.1
Mediatek » Nbiot Sdk » Version: 3.6

cpe:2.3:a:mediatek:nbiot_sdk:3.6
Mediatek » Software Development Kit » Version: 2.4

cpe:2.3:a:mediatek:software_development_kit:2.4
Mediatek » Software Development Kit » Version: 2.5

cpe:2.3:a:mediatek:software_development_kit:2.5
Mediatek » Software Development Kit » Version: 3.3

cpe:2.3:a:mediatek:software_development_kit:3.3
Mediatek » Software Development Kit » Version: 3.5

cpe:2.3:a:mediatek:software_development_kit:3.5
Mediatek » Software Development Kit » Version: 3.6

cpe:2.3:a:mediatek:software_development_kit:3.6
Mediatek » Software Development Kit » Version: 3.7

cpe:2.3:a:mediatek:software_development_kit:3.7
Mediatek » Software Development Kit » Version: 5.0.5.0

cpe:2.3:a:mediatek:software_development_kit:5.0.5.0
Mediatek » Software Development Kit » Version: 5.1.0.0

cpe:2.3:a:mediatek:software_development_kit:5.1.0.0
Mediatek » Software Development Kit » Version: 7.4.0.1

cpe:2.3:a:mediatek:software_development_kit:7.4.0.1
Mediatek » Software Development Kit » Version: 7.6.7.0

cpe:2.3:a:mediatek:software_development_kit:7.6.7.0
Mediatek » Software Development Kit » Version: 7.6.7.2

cpe:2.3:a:mediatek:software_development_kit:7.6.7.2
Mediatek » Mt6890 » Version: N/A

cpe:2.3:h:mediatek:mt6890:-
Mediatek » Mt6989tb » Version: N/A

cpe:2.3:h:mediatek:mt6989tb:-
Mediatek » Mt7902 » Version: N/A

cpe:2.3:h:mediatek:mt7902:-
Mediatek » Mt7915 » Version: N/A

cpe:2.3:h:mediatek:mt7915:-
Mediatek » Mt7916 » Version: N/A

cpe:2.3:h:mediatek:mt7916:-
Mediatek » Mt7920 » Version: N/A

cpe:2.3:h:mediatek:mt7920:-
Mediatek » Mt7921 » Version: N/A

cpe:2.3:h:mediatek:mt7921:-
Mediatek » Mt7922 » Version: N/A

cpe:2.3:h:mediatek:mt7922:-
Mediatek » Mt7925 » Version: N/A

cpe:2.3:h:mediatek:mt7925:-
Mediatek » Mt7927 » Version: N/A

cpe:2.3:h:mediatek:mt7927:-
Mediatek » Mt7981 » Version: N/A

cpe:2.3:h:mediatek:mt7981:-
Mediatek » Mt7986 » Version: N/A

cpe:2.3:h:mediatek:mt7986:-
Mediatek » Mt8196 » Version: N/A

cpe:2.3:h:mediatek:mt8196:-
Mediatek » Mt8668 » Version: N/A

cpe:2.3:h:mediatek:mt8668:-
Mediatek » Mt8676 » Version: N/A

cpe:2.3:h:mediatek:mt8676:-
Mediatek » Mt8678 » Version: N/A

cpe:2.3:h:mediatek:mt8678:-
Mediatek » Mt8775 » Version: N/A

cpe:2.3:h:mediatek:mt8775:-
Mediatek » Mt8791t » Version: N/A

cpe:2.3:h:mediatek:mt8791t:-
Mediatek » Mt8792 » Version: N/A

cpe:2.3:h:mediatek:mt8792:-
Mediatek » Mt8793 » Version: N/A

cpe:2.3:h:mediatek:mt8793:-
Mediatek » Mt8796 » Version: N/A

cpe:2.3:h:mediatek:mt8796:-
Mediatek » Mt8873 » Version: N/A

cpe:2.3:h:mediatek:mt8873:-
Mediatek » Mt8883 » Version: N/A

cpe:2.3:h:mediatek:mt8883:-
Mediatek » Mt8893 » Version: N/A

cpe:2.3:h:mediatek:mt8893:-
Mediatek » Mt8910 » Version: N/A

cpe:2.3:h:mediatek:mt8910:-
Openwrt » Openwrt » Version: 19.07.0

cpe:2.3:o:openwrt:openwrt:19.07.0
Openwrt » Openwrt » Version: 21.02.0

cpe:2.3:o:openwrt:openwrt:21.02.0

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2026-20419

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