---
id: CVE-2025-47406
title: >-
  Information Disclosure while processing IOCTL handler callbacks without
  verifying buffer size.
summary: >-
  Information Disclosure while processing IOCTL handler callbacks without
  verifying buffer size.
severity: medium
cvss: 6.1
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L'
cwe:
  - CWE-126
  - CWE-125
vendor: qualcomm
product: x2000086_firmware
affected:
  - x2000086_firmware
  - x2000090_firmware
  - x2000092_firmware
  - x2000094_firmware
  - xg101002_firmware
  - xg101032_firmware
  - xg101039_firmware
  - x2000077_firmware
  - wsa8845h_firmware
  - wsa8845_firmware
  - wsa8840_firmware
  - wsa8835_firmware
  - wsa8830_firmware
  - wcd9385_firmware
  - wcd9380_firmware
  - wcd9378c_firmware
  - wcd9375_firmware
  - wcd9370_firmware
  - snapdragon_8cx_gen_3_compute_firmware
  - snapdragon_7c+_gen_3_compute_firmware
  - sc8380xp_firmware
  - video_collaboration_vc3_platform_firmware
  - qcm6490_firmware
  - qcm5430_firmware
  - qca0000_firmware
  - iqx7181_firmware
  - iqx5121_firmware
  - fastconnect_7800_firmware
  - fastconnect_6900_firmware
  - fastconnect_6700_firmware
  - cologne_firmware
published: '2026-05-04'
updated: '2026-09-30'
sourceUpdated: '2026-09-30T22:10:00.273'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-47406'
references:
  - url: >-
      https://docs.qualcomm.com/product/publicresources/securitybulletin/may-2026-bulletin.html
    label: product-security@qualcomm.com
tags:
  - nvd
epss: 0.00074
epssPercentile: 0.00059
ingestedAt: '2026-09-30T22:27:27.777Z'
---

## Overview

Information Disclosure while processing IOCTL handler callbacks without verifying buffer size.

## Affected

- `x2000086_firmware`
- `x2000090_firmware`
- `x2000092_firmware`
- `x2000094_firmware`
- `xg101002_firmware`
- `xg101032_firmware`
- `xg101039_firmware`
- `x2000077_firmware`
- `wsa8845h_firmware`
- `wsa8845_firmware`
- `wsa8840_firmware`
- `wsa8835_firmware`
- `wsa8830_firmware`
- `wcd9385_firmware`
- `wcd9380_firmware`
- `wcd9378c_firmware`
- `wcd9375_firmware`
- `wcd9370_firmware`
- `snapdragon_8cx_gen_3_compute_firmware`
- `snapdragon_7c+_gen_3_compute_firmware`
- `sc8380xp_firmware`
- `video_collaboration_vc3_platform_firmware`
- `qcm6490_firmware`
- `qcm5430_firmware`
- `qca0000_firmware`
- `iqx7181_firmware`
- `iqx5121_firmware`
- `fastconnect_7800_firmware`
- `fastconnect_6900_firmware`
- `fastconnect_6700_firmware`
- `cologne_firmware`

## Remediation

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