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CVE-2026-21371

Vulnerability in Qualcomm Snapdragon 8cx Compute Platform "poipu Pro" 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-2026-21371 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 retrieving output buffer with insufficient size validation.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-21371 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1qualcommsnapdragon 8cx compute platform "poipu pro" firmware View
2qualcommsnapdragon 8cx compute platform "poipu pro" View
3qualcommsnapdragon 8cx gen 2 5g compute platform firmware View
4qualcommsnapdragon 8cx gen 2 5g compute platform View
5qualcommsnapdragon 8cx gen 2 5g compute platform "poipu pro" firmware View
6qualcommsnapdragon 8cx gen 2 5g compute platform "poipu pro" View
7qualcommsnapdragon 8cx gen 3 compute platform firmware View
8qualcommsnapdragon 8cx gen 3 compute platform View
9qualcommwcd9340 firmware View
10qualcommwcd9340 View
11qualcommsnapdragon 8cx compute platform firmware View
12qualcommsnapdragon 8cx compute platform View
13qualcommsnapdragon 8c compute platform (sc8180xp-ad) firmware View
14qualcommsnapdragon 8c compute platform (sc8180xp-ad) View
15qualcommsnapdragon 8c compute platform firmware View
16qualcommsnapdragon 8c compute platform View
17qualcommsnapdragon 7c+ gen 3 compute firmware View
18qualcommsnapdragon 7c+ gen 3 compute View
19qualcommsnapdragon 7c gen 2 compute platform firmware View
20qualcommsnapdragon 7c gen 2 compute platform View
21qualcommsnapdragon 7c compute platform firmware View
22qualcommsnapdragon 7c compute platform View
23qualcommsnapdragon 662 mobile platform firmware View
24qualcommsnapdragon 662 mobile platform View
25qualcommsnapdragon 460 mobile platform firmware View
26qualcommsnapdragon 460 mobile platform View
27qualcommsm6250 firmware View
28qualcommsm6250 View
29qualcommsc8380xp firmware View
30qualcommsc8380xp View
31qualcommvideo collaboration vc3 platform firmware View
32qualcommvideo collaboration vc3 platform View
33qualcommqcm6490 firmware View
34qualcommqcm6490 View
35qualcommqcm5430 firmware View
36qualcommqcm5430 View
37qualcommqca6430 firmware View
38qualcommqca6430 View
39qualcommqca6420 firmware View
40qualcommqca6420 View
41qualcommqca6391 firmware View
42qualcommqca6391 View
43qualcommqca0000 firmware View
44qualcommqca0000 View
45qualcommfastconnect 7800 firmware View
46qualcommfastconnect 7800 View
47qualcommfastconnect 6900 firmware View
48qualcommfastconnect 6900 View
49qualcommfastconnect 6800 firmware View
50qualcommfastconnect 6800 View
51qualcommfastconnect 6700 firmware View
52qualcommfastconnect 6700 View
53qualcommfastconnect 6200 firmware View
54qualcommfastconnect 6200 View
55qualcommcologne firmware View
56qualcommcologne View
57qualcommaqt1000 firmware View
58qualcommaqt1000 View
59qualcommwcd9341 firmware View
60qualcommwcd9341 View
61qualcommwcd9370 firmware View
62qualcommwcd9370 View
63qualcommwcd9375 firmware View
64qualcommwcd9375 View
65qualcommwcd9378c firmware View
66qualcommwcd9378c View
67qualcommwcd9380 firmware View
68qualcommwcd9380 View
69qualcommwcd9385 firmware View
70qualcommwcd9385 View
71qualcommwcn3950 firmware View
72qualcommwcn3950 View
73qualcommwcn3988 firmware View
74qualcommwcn3988 View
75qualcommwsa8810 firmware View
76qualcommwsa8810 View
77qualcommwsa8815 firmware View
78qualcommwsa8815 View
79qualcommwsa8830 firmware View
80qualcommwsa8830 View
81qualcommwsa8835 firmware View
82qualcommwsa8835 View
83qualcommwsa8840 firmware View
84qualcommwsa8840 View
85qualcommwsa8845 firmware View
86qualcommwsa8845 View
87qualcommwsa8845h firmware View
88qualcommwsa8845h View
89qualcommx2000077 firmware View
90qualcommx2000077 View
91qualcommx2000086 firmware View
92qualcommx2000086 View
93qualcommx2000090 firmware View
94qualcommx2000090 View
95qualcommx2000092 firmware View
96qualcommx2000092 View
97qualcommx2000094 firmware View
98qualcommx2000094 View
99qualcommxg101002 firmware View
100qualcommxg101002 View
101qualcommxg101032 firmware View
102qualcommxg101032 View
103qualcommxg101039 firmware View
104qualcommxg101039 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
7.8CVSS 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-2026-21371 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-2026-21371 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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CVE-2026-21371 · Vulnerability in Qualcomm Snapdragon 8cx…