CVE-2025-21439: Out-of-bounds Read in Windows WLAN Host

7.8 CVSS

Description

Memory corruption may occur while reading board data via IOCTL call when the WLAN driver copies the content to the provided output buffer.

Classification

CVE ID: CVE-2025-21439

CVSS Base Severity: HIGH

CVSS Base Score: 7.8

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

Problem Types

CWE-787: Out-of-bounds Write

Affected Products

Vendor: Qualcomm, Inc.

Product: Snapdragon

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.02% (probability of being exploited)

EPSS Percentile: 2.59% (scored less or equal to compared to others)

EPSS Date: 2025-04-22 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-21439
https://docs.qualcomm.com/product/publicresources/securitybulletin/april-2025-bulletin.html

Timeline