CVE-2026-20430

published 2026-03-02

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…

Priority P3 50 high 8.8 CVSS 3.1

AV A AC L PR N UI N S U C H I H A H

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.

Affected

9 ranges

Vendor	Product	Version range	Fixed in
mediatek	software_development_kit	<= 7.6.7.3	—
mediatek_inc	mediatek_chipset	—	—
mediatek_inc	mediatek_chipset	—	—
mediatek_inc	mediatek_chipset	—	—
mediatek_inc	mediatek_chipset	—	—
mediatek_inc	mediatek_chipset	—	—
openwrt	openwrt	—	—
openwrt	openwrt	—	—
openwrt	openwrt	—	—

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.

CWE-787