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CVE-2026-21383

Vulnerability in Qualcomm Fastconnect 6900 Firmware

CVSS score

7.1

EPSS probability

%0.1

Risk score

0.0

Published

3 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

Only the personal products you have added to your account are assessed; an organisation's inventory does not appear here.

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Vulnerability description

DayBreach CVE AI Research

CVE-2026-21383 has vendor, distribution, patch and security-source records on file. We can compare them and prepare an explanation linked to the evidence.

Cryptographic Issue when using a static initialization vector for AES-GCM key wrapping, which requires a unique value for each call to ensure security.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-21383 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1qualcommfastconnect 6900 firmware View
2qualcommfastconnect 6900 View
3qualcommfastconnect 7800 firmware View
4qualcommfastconnect 7800 View
5qualcommlemans au lgit firmware View
6qualcommlemans au lgit View
7qualcommlemansau firmware View
8qualcommlemansau View
9qualcommpandeiro firmware View
10qualcommpandeiro View
11qualcommqam8255p firmware View
12qualcommqam8255p View
13qualcommqam8397p firmware View
14qualcommqam8397p View
15qualcommqam8797p firmware View
16qualcommqam8797p View
17qualcommqamsrv1h firmware View
18qualcommqamsrv1h View
19qualcommqamsrv1m firmware View
20qualcommqamsrv1m View
21qualcommqca6595au firmware View
22qualcommqca6595au View
23qualcommqca6696 firmware View
24qualcommqca6696 View
25qualcommqca6698aq firmware View
26qualcommqca6698aq View
27qualcommqca6797aq firmware View
28qualcommqca6797aq View
29qualcommqca8695au firmware View
30qualcommqca8695au View
31qualcommqdu1000 firmware View
32qualcommqdu1000 View
33qualcommqdu1110 firmware View
34qualcommqdu1110 View
35qualcommqdu1210 firmware View
36qualcommqdu1210 View
37qualcommqdx1010 firmware View
38qualcommqdx1010 View
39qualcommqdx1011 firmware View
40qualcommqdx1011 View
41qualcommqln1083bd firmware View
42qualcommqln1083bd View
43qualcommqln1086bd firmware View
44qualcommqln1086bd View
45qualcommqpa1083bd firmware View
46qualcommqpa1083bd View
47qualcommqpa1086bd firmware View
48qualcommqpa1086bd View
49qualcommqualcomm dragonwing x100 accelerator card firmware View
50qualcommqualcomm dragonwing x100 accelerator card View
51qualcommqxm1093 firmware View
52qualcommqxm1093 View
53qualcommqxm1094 firmware View
54qualcommqxm1094 View
55qualcommqxm1095 firmware View
56qualcommqxm1095 View
57qualcommqxm1096 firmware View
58qualcommqxm1096 View
59qualcommsa7255p firmware View
60qualcommsa7255p View
61qualcommsa7775p firmware View
62qualcommsa7775p View
63qualcommsa8255p firmware View
64qualcommsa8255p View
65qualcommsa8620p firmware View
66qualcommsa8620p View
67qualcommsa8770p firmware View
68qualcommsa8770p View
69qualcommsa9000p firmware View
70qualcommsa9000p View
71qualcommsar1165p firmware View
72qualcommsar1165p View
73qualcommsar2130p firmware View
74qualcommsar2130p View
75qualcommsnapdragon ar1 gen 1 platform firmware View
76qualcommsnapdragon ar1 gen 1 platform View
77qualcommsrv1h firmware View
78qualcommsrv1h View
79qualcommsrv1m firmware View
80qualcommsrv1m View
81qualcommsxr2230p firmware View
82qualcommsxr2230p View
83qualcommsxr2250p firmware View
84qualcommsxr2250p View
85qualcommwcd9380 firmware View
86qualcommwcd9380 View
87qualcommwcd9385 firmware View
88qualcommwcd9385 View
89qualcommwcn3950 firmware View
90qualcommwcn3950 View
91qualcommwcn7860 firmware View
92qualcommwcn7860 View
93qualcommwcn7861 firmware View
94qualcommwcn7861 View
95qualcommwsa8830 firmware View
96qualcommwsa8830 View
97qualcommwsa8832 firmware View
98qualcommwsa8832 View
99qualcommwsa8835 firmware View
100qualcommwsa8835 View
101qualcommxrv7209 firmware View
102qualcommxrv7209 View
103qualcommxrv9209 firmware View
104qualcommxrv9209 View
Total affected vendors: 1|Products: 104

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
7.1CVSS V31HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:NNVD

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-2026-21383 is associated with the following CWEs:

CWE-323: Common Weakness Enumeration Entry CWE-323

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-2026-21383 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/july-2026-bulletin.htmlvendor-advisory

CVSS Vector Radar Chart

7.1 / 10
Attack VectorLocalComplexityLowPrivilegesLowUser Interact.NoneConfidentialityLowIntegrityNoneAvailabilityNone

Vulnerability Scoring Details

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

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-323

Similar Vulnerabilities

6.5
CVE-2020-3702

Vulnerability in Qualcomm, Inc. Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure And Networking

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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