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CVE-2026-21373

Vulnerability in Qualcomm Aqt1000 Firmware

CVSS score

7.8

EPSS probability

%0.1

Risk score

0.0

Published

6 mo ago

OverviewPublic Exploits (0)NewsroomVulnerability Timeline
Patch status has not yet been verified

Resmî kaynaklarda yeterli kanıt bulunamadı. Bu sonuç “yama yok” anlamına gelmez.

Impact on My Inventory

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Vulnerability description

DayBreach CVE AI Research

CVE-2026-21373 has vendor, distribution, patch and security-source records on file. We can compare them and prepare an explanation linked to the evidence.

Memory Corruption when accessing an output buffer without validating its size during IOCTL processing.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-21373 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1qualcommaqt1000 firmware View
2qualcommaqt1000 View
3qualcommcologne firmware View
4qualcommcologne View
5qualcommfastconnect 6200 firmware View
6qualcommfastconnect 6200 View
7qualcommfastconnect 6700 firmware View
8qualcommfastconnect 6700 View
9qualcommfastconnect 6800 firmware View
10qualcommfastconnect 6800 View
11qualcommfastconnect 6900 firmware View
12qualcommfastconnect 6900 View
13qualcommfastconnect 7800 firmware View
14qualcommfastconnect 7800 View
15qualcommqca0000 firmware View
16qualcommqca0000 View
17qualcommqca6391 firmware View
18qualcommqca6391 View
19qualcommqca6420 firmware View
20qualcommqca6420 View
21qualcommqca6430 firmware View
22qualcommqca6430 View
23qualcommwcd9385 firmware View
24qualcommwcd9385 View
25qualcommwcn3950 firmware View
26qualcommwcn3950 View
27qualcommwcn3988 firmware View
28qualcommwcn3988 View
29qualcommwsa8810 firmware View
30qualcommwsa8810 View
31qualcommwsa8815 firmware View
32qualcommwsa8815 View
33qualcommwsa8830 firmware View
34qualcommwsa8830 View
35qualcommwsa8832 firmware View
36qualcommwsa8832 View
37qualcommwsa8835 firmware View
38qualcommwsa8835 View
39qualcommwsa8840 firmware View
40qualcommwsa8840 View
41qualcommwsa8845 firmware View
42qualcommwsa8845 View
43qualcommwsa8845h firmware View
44qualcommwsa8845h View
45qualcommx2000077 firmware View
46qualcommx2000077 View
47qualcommx2000086 firmware View
48qualcommx2000086 View
49qualcommx2000090 firmware View
50qualcommx2000090 View
51qualcommx2000092 firmware View
52qualcommx2000092 View
53qualcommx2000094 firmware View
54qualcommx2000094 View
55qualcommxg101002 firmware View
56qualcommxg101002 View
57qualcommxg101032 firmware View
58qualcommxg101032 View
59qualcommxg101039 firmware View
60qualcommxg101039 View
61qualcommwcd9380 firmware View
62qualcommwcd9380 View
63qualcommwcd9378c firmware View
64qualcommwcd9378c View
65qualcommwcd9375 firmware View
66qualcommwcd9375 View
67qualcommwcd9370 firmware View
68qualcommwcd9370 View
69qualcommwcd9341 firmware View
70qualcommwcd9341 View
71qualcommwcd9340 firmware View
72qualcommwcd9340 View
73qualcommsnapdragon ar1 gen 1 platform firmware View
74qualcommsnapdragon ar1 gen 1 platform View
75qualcommsnapdragon 8cx gen 3 compute platform firmware View
76qualcommsnapdragon 8cx gen 3 compute platform View
77qualcommsnapdragon 8cx gen 2 5g compute platform "poipu pro" firmware View
78qualcommsnapdragon 8cx gen 2 5g compute platform "poipu pro" View
79qualcommsnapdragon 8cx gen 2 5g compute platform firmware View
80qualcommsnapdragon 8cx gen 2 5g compute platform View
81qualcommsnapdragon 8cx compute platform "poipu pro" firmware View
82qualcommsnapdragon 8cx compute platform "poipu pro" View
83qualcommsnapdragon 8cx compute platform firmware View
84qualcommsnapdragon 8cx compute platform View
85qualcommsnapdragon 8c compute platform (sc8180xp-ad) firmware View
86qualcommsnapdragon 8c compute platform (sc8180xp-ad) View
87qualcommsnapdragon 8c compute platform firmware View
88qualcommsnapdragon 8c compute platform View
89qualcommsnapdragon 7c+ gen 3 compute firmware View
90qualcommsnapdragon 7c+ gen 3 compute View
91qualcommsnapdragon 7c gen 2 compute platform firmware View
92qualcommsnapdragon 7c gen 2 compute platform View
93qualcommsnapdragon 7c compute platform firmware View
94qualcommsnapdragon 7c compute platform View
95qualcommsnapdragon 662 mobile platform firmware View
96qualcommsnapdragon 662 mobile platform View
97qualcommsnapdragon 460 mobile platform firmware View
98qualcommsnapdragon 460 mobile platform View
99qualcommsm6250 firmware View
100qualcommsm6250 View
101qualcommsc8380xp firmware View
102qualcommsc8380xp View
103qualcommvideo collaboration vc3 platform firmware View
104qualcommvideo collaboration vc3 platform View
105qualcommqcm6490 firmware View
106qualcommqcm6490 View
107qualcommqcm5430 firmware View
108qualcommqcm5430 View
Total affected vendors: 1|Products: 108

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCOREVERSIONSEVERITYVECTORSOURCE
7.8CVSS V31HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HNVD

Patch and Remediation Guide

Solution & Remediation Advisory

Patch status unknown

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Confirm the affected product and version against the source evidence above.
Restrict access to internet-facing services and apply network segmentation.
Until a patch is confirmed, follow the vendor advisory; do not read an unknown status as “no patch”.
Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-21373 is associated with the following CWEs:

CWE-126: Common Weakness Enumeration Entry CWE-126

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-21373 weaknesses.

CAPEC-66: SQL InjectionCAPEC-126: Path TraversalCAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureYerel erişim
PermissionsLow
UserGerekmiyor

Official Sources and Advisories

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

CVSS Vector Radar Chart

7.8 / 10
Attack VectorLocalComplexityLowPrivilegesLowUser Interact.NoneConfidentialityLowIntegrityNoneAvailabilityHigh

Vulnerability Scoring Details

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack VectorLocal
Attack ComplexityLow
Privileges RequiredLow privileges
User InteractionNone required
Confidentiality (Gizlilik)Low
Integrity (Bütünlük)None
Availability (Erişilebilirlik)High

Yama durumu bilinmiyor

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Follow the vendor

Q
qualcomm logo
qualcomm

Weakness Type (CWE & CAPEC)

CWE-126

Similar Vulnerabilities

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QI
Qualcomm, Inc. logo
VendorQualcomm, Inc.ProductSnapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking+27 etkilenen
Patch status unknownEPSS %06 y ago

Get this vulnerability through the API

Affected products, version ranges, exploitation status and patch information in a single request, with a free key.

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CVE-2026-21373 · Vulnerability in Qualcomm Aqt1000 Firmware