---
id: CVE-2025-20721
title: >-
  In imgsensor, there is a possible out of bounds write due to a missing bounds
  check
summary: >-
  In imgsensor, there is a possible out of bounds write due to a missing bounds
  check. This could lead to local escalation of privilege if a malicious actor
  has already obtained the System privilege. User interaction is not needed for
  expl…
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-787
vendor: mediatek
product: iot_yocto
affected:
  - iot_yocto = 25.0
  - android = 13.0
  - android = 14.0
  - android = 15.0
  - android = 16.0
published: '2025-10-14'
updated: '2026-10-08'
sourceUpdated: '2026-10-08T12:10:00.217'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-20721'
references:
  - url: 'https://corp.mediatek.com/product-security-bulletin/October-2025'
    label: security@mediatek.com
tags:
  - nvd
epss: 0.00092
epssPercentile: 0.00476
ingestedAt: '2026-10-08T11:31:27.372Z'
---

## Overview

In imgsensor, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10089545; Issue ID: MSV-4279.

## Affected

- `iot_yocto = 25.0`
- `android = 13.0`
- `android = 14.0`
- `android = 15.0`
- `android = 16.0`

## Remediation

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