CVE-2026-21381 | BDVDB-2026-325018 Detail

QualcommSnapdragon

Description#

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

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.

Weaknesses#

CWE-126 Buffer Over-read

References#

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

Exploit#

No public exploit known

History#

Version 12026-04-06Record published in the CVE List.

Published

Published: 2026-04-06
Last modified: 2026-04-06

Vendor information

Vendor: Qualcomm
Product: Snapdragon

All Qualcomm vulnerabilities

Score

7.6 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 4.7.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
AR8035
Fixed
Not stated
Vulnerable
Cologne
Fixed
Not stated
Vulnerable
FastConnect 6200
Fixed
Not stated
Vulnerable
FastConnect 6700
Fixed
Not stated
Vulnerable
FastConnect 6900
Fixed
Not stated
Vulnerable
FastConnect 7800
Fixed
Not stated
Vulnerable
FWA Gen 3 Ultra Platform
Fixed
Not stated
Vulnerable
G2 Gen 1
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

7.6 High

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

Metric breakdown
Attack Vector	Network
Attack Complexity	High
Privileges Required	High
User Interaction	Required
Scope	Changed
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).