CVE-2026-21367

Buffer Over-read in WLAN Firmware

State: Published
Severity: 7.6 High
Published: Apr 6, 2026
Updated: Apr 6, 2026
Reserved: Dec 17, 2025

Description

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

Scores

CVSS	Score	Vector	Source
3.1	7.6 High	CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H	qualcomm

Weaknesses

CWE-126 Buffer Over-read

Affected Products

Product	Versions
SnapdragonQualcomm, Inc.	AR8035Affected CologneAffected CSR8811Affected FastConnect 6200Affected FastConnect 6700Affected FastConnect 6900Affected FastConnect 7800Affected FWA Gen 3 Ultra PlatformAffected G2 Gen 1Affected Immersive Home 214 PlatformAffected Immersive Home 216 PlatformAffected Immersive Home 316 PlatformAffected Immersive Home 318 PlatformAffected IPQ5010Affected IPQ5028Affected IPQ6000Affected IPQ6010Affected IPQ6018Affected IPQ8076Affected IPQ8078Affected IPQ9574Affected MilosAffected NetraniAffected Networking Pro 1200 PlatformAffected Networking Pro 1210 PlatformAffected and 125 more versions

Product

Versions

SnapdragonQualcomm, Inc.

AR8035Affected
CologneAffected
CSR8811Affected
FastConnect 6200Affected
FastConnect 6700Affected
FastConnect 6900Affected
FastConnect 7800Affected
FWA Gen 3 Ultra PlatformAffected
G2 Gen 1Affected
Immersive Home 214 PlatformAffected
Immersive Home 216 PlatformAffected
Immersive Home 316 PlatformAffected
Immersive Home 318 PlatformAffected
IPQ5010Affected
IPQ5028Affected
IPQ6000Affected
IPQ6010Affected
IPQ6018Affected
IPQ8076Affected
IPQ8078Affected
IPQ9574Affected
MilosAffected
NetraniAffected
Networking Pro 1200 PlatformAffected
Networking Pro 1210 PlatformAffected
and 125 more versions

References

https://docs.qualcomm.com/product/publicresources/securitybulletin/april-2026-bulletin.html

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.