---
id: CVE-2025-20732
title: >-
  In wlan AP driver, there is a possible out of bounds write due to an incorrect
  bounds check
summary: >-
  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 if a malicious
  actor has already obtained the System privilege (when OceReducedNeighborReport
  i…
severity: medium
cvss: 4.2
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L'
cvssSource: adp
cwe:
  - CWE-121
vendor: 'MediaTek, Inc.'
product: 'MT6890, MT7615, MT7622, MT7663, MT7915, MT7916, MT7981, MT7986'
affected:
  - >-
    mt6890_mt7615_mt7622_mt7663_mt7915_mt7916_mt7981_mt7986 Versions:SDK release
    7.6.7.2 and before / openWRT 19.07, 21.02
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2025-11-05T04:55:50.762358Z'
published: '2025-11-04'
updated: '2026-11-03'
sourceUpdated: '2026-11-03T22:02:54.247Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2025-20732'
references:
  - url: 'https://corp.mediatek.com/product-security-bulletin/November-2025'
tags:
  - cve.org
epss: 0.00124
epssPercentile: 0.02173
ingestedAt: '2026-11-05T20:33:06.540Z'
---

## Overview

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 if a malicious actor has already obtained the System privilege (when OceReducedNeighborReport is disabled). User interaction is not needed for exploitation. Patch ID: WCNCR00441510; Issue ID: MSV-4139.

## Affected

- `mt6890_mt7615_mt7622_mt7663_mt7915_mt7916_mt7981_mt7986 Versions:SDK release 7.6.7.2 and before / openWRT 19.07, 21.02`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.