CVE-2026-21367CWE-126

Buffer Over-read in WLAN Firmware

High · published April 6, 2026

CVSS v3.1
7.6
EPSS
0%
Percentile
9.8
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
7.6 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00203 · 9.8th percentile
Weakness
CWE-126 · Buffer Over-read
Published
2026-04-06T15:33Z
EPSS history
Timeline
  • 06 APR 15:33Z
    Buffer Over-read in WLAN Firmware
    cvelistv5