Is CVE-2025-20733 actively exploited?

CVE-2025-20733 has no public evidence of in-the-wild exploitation as of 2025-11-05.

What is the CVSS score for CVE-2025-20733?

CVE-2025-20733 has a CVSS score of 7.8 (HIGH severity). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2025-20733?

Patch guidance is available from mediatek security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2025-20733.

Fix CVE-2025-20733 - HIGH mediatek software development kit

Q: Which products are affected by CVE-2025-20733?

3 products: mediatek software development kit, openwrt openwrt, openwrt openwrt.

Description

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 Metrics

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector: local
Complexity: low
Privileges: low
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-122 CWE-787 · Out-of-bounds Write

Metadata

Primary Vendor: MEDIATEK
Published: 11/4/2025
Last Modified: 11/5/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

mediatek : software_development_kitopenwrt : openwrtopenwrt : openwrt

Remediation Guidance

Executive Summary

Cite this page

CVE-2025-20733. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2025-20733

View on NIST NVD

CVE-2025-20733 vulnerability