CVE-2026-21381

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 receiving a service data frame with excessive length during device matching over a neighborhood awareness network protocol connection.

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 FastConnect 6200Affected FastConnect 6700Affected FastConnect 6900Affected FastConnect 7800Affected FWA Gen 3 Ultra PlatformAffected G2 Gen 1Affected MilosAffected NetraniAffected OrneAffected Palawan25Affected PandeiroAffected QCA6391Affected QCA6698AUAffected QCA6777AQAffected QCA6787AQAffected QCA6797AQAffected QCA8081Affected QCA8337Affected QCC2073Affected QCC2076Affected QCC710Affected QCN6224Affected QCN6274Affected and 78 more versions

Product

Versions

SnapdragonQualcomm, Inc.

AR8035Affected
CologneAffected
FastConnect 6200Affected
FastConnect 6700Affected
FastConnect 6900Affected
FastConnect 7800Affected
FWA Gen 3 Ultra PlatformAffected
G2 Gen 1Affected
MilosAffected
NetraniAffected
OrneAffected
Palawan25Affected
PandeiroAffected
QCA6391Affected
QCA6698AUAffected
QCA6777AQAffected
QCA6787AQAffected
QCA6797AQAffected
QCA8081Affected
QCA8337Affected
QCC2073Affected
QCC2076Affected
QCC710Affected
QCN6224Affected
QCN6274Affected
and 78 more versions

References

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

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