CVE-2025-20733

In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00441509; Issue ID: MSV-4138.

CVSS 3.1

7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

0.1% chance of exploitation in the next 30 days; higher than 3% of CVEs (scores of 2026-10-25)

CWEs

CWE-787, CWE-122

Published

2025-11-04

Modified

2026-10-18

Record from

the NVD, synced 2026-10-19

Affected

• mediatek:software_development_kit
• openwrt:openwrt

References

• https://corp.mediatek.com/product-security-bulletin/November-2025

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