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CVE-2026-21378

Vulnerability in Qualcomm Wcd9375 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

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-2026-21378 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 in a camera sensor driver.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-21378 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

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

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-2026-21378 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-2026-21378 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

6.5
CVE-2020-3702Vulnerability 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

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