CVE-2026-21367 HIGH

CVE-2026-21367: Buffer Over-read in WLAN Firmware

Vendor Qualcomm, Inc.
Product Snapdragon
Weakness CWE-126
Published April 6, 2026
Last update April 6, 2026
View on NVD All CVEs

CVSS base score

7.6/10
Attack vector Network
Attack complexity High
Privileges required High
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H

What the vulnerability does

01Description

Transient DOS when processing nonstandard FILS Discovery Frames with out-of-range action sizes during initial scans.

Key dates

02Disclosure timeline

April 6, 2026 CVE published
April 6, 2026 Record updated