CVE-2026-20419

6.5 mediumEPSS 0.8%

Medium (6.5). EPSS 0.8% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

6.5 medium

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.8% chance of exploitation in the next 30 days; higher than 55% of CVEs (scores of 2026-10-31)
CWE: CWE-754
Published: 2026-02-02
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

mediatek:nbiot_sdk
mediatek:software_development_kit
openwrt:openwrt

References

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

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