CVE-2026-21374

Home/CVE/Memory Corruption when processing auxiliary sensor input/output control commands with insufficient buffer size validatio

CVE

Memory Corruption when processing auxiliary sensor input/output control commands with insufficient buffer size validatio

Memory Corruption when processing auxiliary sensor input/output control commands with insufficient buffer size validation.

HIGH · CVSS 7.8 EPSS 6e-05

Schedule remediation

CVSS base score ≥ 7.0

Sigma rules0 YARA rules0

⬡

Weakness Classification

CWE-126Buffer Over-read

▤

Affected Products & Versions

qualcomm aqt1000 firmwareall versions
qualcomm cologne firmwareall versions
qualcomm fastconnect 6200 firmwareall versions
qualcomm fastconnect 6700 firmwareall versions
qualcomm fastconnect 6800 firmwareall versions
qualcomm wsa8845h firmwareall versions
qualcomm x2000077 firmwareall versions
qualcomm x2000086 firmwareall versions
Show all 54 affected productsqualcomm x2000090 firmwareall versions
qualcomm x2000092 firmwareall versions
qualcomm x2000094 firmwareall versions
qualcomm xg101002 firmwareall versions
qualcomm xg101032 firmwareall versions
qualcomm xg101039 firmwareall versions
qualcomm fastconnect 6900 firmwareall versions
qualcomm fastconnect 7800 firmwareall versions
qualcomm qca0000 firmwareall versions
qualcomm qca6391 firmwareall versions
qualcomm qca6420 firmwareall versions
qualcomm qca6430 firmwareall versions
qualcomm qcm5430 firmwareall versions
qualcomm qcm6490 firmwareall versions
qualcomm video collaboration vc3 platform firmwareall versions
qualcomm sc8380xp firmwareall versions
qualcomm sm6250 firmwareall versions
qualcomm snapdragon 460 mobile platform firmwareall versions
qualcomm snapdragon 662 mobile platform firmwareall versions
qualcomm snapdragon 7c compute platform firmwareall versions
qualcomm snapdragon 7c gen 2 compute platform firmwareall versions
qualcomm snapdragon 7c\+ gen 3 compute firmwareall versions
qualcomm snapdragon 8c compute platform firmwareall versions
qualcomm snapdragon 8c compute platform \(sc8180xp-ad\) firmwareall versions
qualcomm snapdragon 8cx compute platform firmwareall versions
qualcomm snapdragon 8cx compute platform \"poipu pro\" firmwareall versions
qualcomm snapdragon 8cx gen 2 5g compute platform firmwareall versions
qualcomm snapdragon 8cx gen 2 5g compute platform \"poipu pro\" firmwareall versions
qualcomm snapdragon 8cx gen 3 compute platform firmwareall versions
qualcomm snapdragon ar1 gen 1 platform firmwareall versions
qualcomm wcd9340 firmwareall versions
qualcomm wcd9341 firmwareall versions
qualcomm wcd9370 firmwareall versions
qualcomm wcd9375 firmwareall versions
qualcomm wcd9378c firmwareall versions
qualcomm wcd9380 firmwareall versions
qualcomm wcd9385 firmwareall versions
qualcomm wcn3950 firmwareall versions
qualcomm wcn3988 firmwareall versions
qualcomm wsa8810 firmwareall versions
qualcomm wsa8815 firmwareall versions
qualcomm wsa8830 firmwareall versions
qualcomm wsa8832 firmwareall versions
qualcomm wsa8835 firmwareall versions
qualcomm wsa8840 firmwareall versions
qualcomm wsa8845 firmwareall versions

▣

Scoring & Timeline

7.8

HIGH · CVSS v3.1 · product-security@qualcomm.com

View on NVD

Attack Vector

Network Adjacent Local Physical

Attack Complexity

Low High

Privileges Required

None Low High

User Interaction

None Required

Scope

Unchanged Changed

Confidentiality

None Low High

Integrity

None Low High

Availability

None Low High

Published to NVD06 Apr 2026 · 04:16 PM

CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

SSVC triage · cisa-vulnrichment

Exploitation

none

Automatable

Technical impact

total

SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.

🔗

References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

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

Intelligence Graph · click any node to traverse

CVETechnique ActorTool Family

drag to reposition · click any node to traverse · button top-right enlarges

External lookups - second-class, for what we don’t hold ourselves

NVD CVE.org CISA Vulners Exploit-DB GitHub PoC VulnCheck KEV GreyNoise

Vulnerabilities
CISA KEV catalog
CWE weaknesses
CAPEC attack patterns
Package vulnerabilities

Threat intelligence
Threat actors
Tools & malware
ATT&CK techniques
IOCs

Detection & defense
Sigma rules
YARA rules
Atomic Red Team tests
D3FEND countermeasures

Compliance
NIST 800-53
ISO 27001:2022
SOC 2 TSC
PCI-DSS v4.0
CIS Controls v8.1

About
All capabilities
Live statistics
Data sources
Privacy policy
Terms of service

threatengine.sh · Open-source threat intelligence platform · 100+ authoritative sources · Every fact traces to its origin