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Qualcomm
Wcn3999 Firmware

qualcomm wcn3999 firmware Vulnerabilities: CVEs, CISA KEV & Security Advisories

286 CVEs

4 in CISA KEV

qualcomm wcn3999 firmware Vulnerabilities

CVE security advisories and vulnerability history for wcn3999 firmware by qualcomm.

286

Total CVEs

Published

4

In CISA KEV

Exploited in the wild

10

Public exploits

With known exploit

7.8

Avg CVSS

2021–2025

Last updated October 9, 2025

Overview

qualcomm wcn3999 firmware has 286 published CVE records since 2021, of which 4 are in CISA's Known Exploited Vulnerabilities catalog and 10 have a known public exploit. The average CVSS base score across scored CVEs is 7.8.

This page aggregates every publicly disclosed vulnerability (CVE) affecting qualcomm wcn3999 firmware, with a severity breakdown, the affected and patched versions, the most common weakness types, and the full CVE list.

Severity and exploitation

How the CVSS severity of qualcomm wcn3999 firmware's CVEs breaks down, plus how many are exploited in the wild or have public exploit code.

Critical30

High183

Medium37

Low0

36 additional CVEs have no CVSS severity score.

In CISA’s Known Exploited Vulnerabilities catalog

4

4 of qualcomm wcn3999 firmware's CVEs are confirmed exploited in the wild.

Public exploits

10

10 of qualcomm wcn3999 firmware's CVEs have a known public exploit available.

Affected versions and CVEs

Browse every qualcomm wcn3999 firmware version named in a CVE, then pick one to see only the CVEs that affect it.

No specific affected versions are recorded for qualcomm wcn3999 firmware; the CVEs below apply to the product without a version pin.

286 CVEs

Sort

Out-of-bounds Write in Display
CVE-2025-27054CWE-787
High · CVSS 7.8
EPSS 0.0% (5th pct)2025-10-09
Cryptographic Issues in Core
CVE-2025-21482CWE-310
High · CVSS 7.1
EPSS 0.0% (3th pct)2025-09-24
Buffer Copy Without Checking Size of Input in HLOS
CVE-2025-21481CWE-120
High · CVSS 7.8
EPSS 0.0% (2th pct)2025-09-24
Reachable Assertion in WLAN Firmware
CVE-2025-27066CWE-617
High · CVSS 7.5
EPSS 0.2% (38th pct)2025-08-06
Out-of-bounds Read in Core
CVE-2025-21465CWE-125
Medium · CVSS 6.5
EPSS 0.1% (19th pct)2025-08-06
Out-of-bounds Read in Core
CVE-2025-21464CWE-125
Medium · CVSS 6.5
EPSS 0.1% (19th pct)2025-08-06
Medium vulnerability · 2025-04-07
CVE-2024-43046CWE-200
Medium · CVSS 5.5
EPSS 0.1% (24th pct)2025-04-07
Medium vulnerability · 2025-03-03
CVE-2024-43051CWE-285
Medium · CVSS 5.5
EPSS 0.0% (11th pct)2025-03-03
High vulnerability · 2024-12-02
CVE-2024-33056
Patch
CWE-126
High · CVSS 8.4
EPSS 0.1% (26th pct)2024-12-02
High vulnerability · 2024-09-02
CVE-2024-33051
Patch
CWE-126
High · CVSS 7.5
EPSS 0.3% (53th pct)2024-09-02
Improper Restriction of Operations within the Bounds of a Memory Buffer in Storage
CVE-2024-33016
Patch
CWE-119
Medium · CVSS 6.8
EPSS 0.1% (30th pct)2024-09-02
Improper Input Validation in Trusted Execution Environment
CVE-2024-23362
Patch
CWE-20
High · CVSS 7.1
EPSS 0.1% (31th pct)2024-09-02
High vulnerability · 2024-08-05
CVE-2024-23356
Patch
CWE-119
High · CVSS 7.8
EPSS 0.2% (36th pct)2024-08-05
High vulnerability · 2024-07-01
CVE-2024-21469
Patch
CWE-264
High · CVSS 7.3
EPSS 0.1% (31th pct)2024-07-01
High vulnerability · 2024-07-01
CVE-2024-21465
Patch
CWE-126
High · CVSS 7.8
EPSS 0.1% (29th pct)2024-07-01
Buffer Over-read in TZ Secure OS
CVE-2024-21462CWE-126
High · CVSS 7.1
EPSS 0.1% (24th pct)2024-07-01
High vulnerability · 2024-07-01
CVE-2024-21461
Patch
CWE-415
High · CVSS 8.4
EPSS 0.1% (29th pct)2024-07-01
Buffer Copy Without Checking Size of Input in Trusted Execution Environment
CVE-2023-43542
Patch
CWE-120
High · CVSS 7.8
EPSS 0.1% (18th pct)2024-06-03
Buffer Copy without Checking Size of Input (`Classic Buffer Overflow`) in SPS-Applications
CVE-2023-33023
Patch
CWE-120
High · CVSS 8.4
EPSS 0.1% (19th pct)2024-04-01
Buffer Copy Without Checking Size of Input in SPS Applications
CVE-2023-28547
Patch
CWE-120
High · CVSS 8.4
EPSS 0.1% (24th pct)2024-04-01
High vulnerability · 2024-03-04
CVE-2023-33066
Patch
CWE-823
High · CVSS 8.4
EPSS 0.1% (22th pct)2024-03-04
Critical vulnerability · 2024-03-04
CVE-2023-28578
Patch
CWE-20
Critical · CVSS 9.3
EPSS 0.1% (22th pct)2024-03-04
High vulnerability · 2024-02-06
CVE-2023-43536CWE-126
High · CVSS 7.5
EPSS 0.1% (31th pct)2024-02-06
Critical vulnerability · 2024-02-06
CVE-2023-33072CWE-120
Critical · CVSS 9.3
EPSS 0.0% (9th pct)2024-02-06
Loop with Unreachable Exit Condition (Infinite Loop) in WLAN Firmware
CVE-2023-43511CWE-835
High · CVSS 7.5
EPSS 0.3% (56th pct)2024-01-02
High vulnerability · 2024-01-02
CVE-2023-33110CWE-823
High · CVSS 7.8
EPSS 0.1% (25th pct)2024-01-02
NULL Pointer Dereference in WLAN Firmware
CVE-2023-33109CWE-476
High · CVSS 7.5
EPSS 0.2% (38th pct)2024-01-02
Buffer Over-read in WLAN Firmware
CVE-2023-33062CWE-126
High · CVSS 7.5
EPSS 0.2% (41th pct)2024-01-02
High vulnerability · 2024-01-02
CVE-2023-33033CWE-823
High · CVSS 8.4
EPSS 0.1% (19th pct)2024-01-02
Integer Overflow or Wraparound in TZ Secure OS
CVE-2023-33032CWE-190
Critical · CVSS 9.3
EPSS 0.1% (19th pct)2024-01-02

Showing 30 of 286

Common weakness types

The CWE weakness categories most often found in qualcomm wcn3999 firmware CVEs. Follow any weakness for its full explanation.

CWE-126Buffer Over-read19 CVEs
CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')15 CVEs
CWE-125Out-of-bounds Read9 CVEs
CWE-476NULL Pointer Dereference7 CVEs
CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer6 CVEs
CWE-129Improper Validation of Array Index5 CVEs
CWE-190Integer Overflow or Wraparound5 CVEs
CWE-835Loop with Unreachable Exit Condition ('Infinite Loop')5 CVEs

Disclosure activity by year

How many qualcomm wcn3999 firmware CVEs were published each year.

2021

102

2022

92

2023

61

2024

23

2025

8

Other qualcomm products

Browse vulnerabilities for other products by qualcomm.

wcd93801,205 CVEs wcd9380 firmware1,171 CVEs wsa88301,137 CVEs wsa88351,136 CVEs wcd93851,116 CVEs qca6574au1,105 CVEs wsa8830 firmware1,105 CVEs wsa8835 firmware1,104 CVEs

All qualcomm vulnerabilities

Frequently asked questions

Common questions about qualcomm wcn3999 firmware vulnerabilities.

How many CVEs does qualcomm wcn3999 firmware have?

qualcomm wcn3999 firmware has 286 published CVE records since 2021.

How many qualcomm wcn3999 firmware CVEs are in CISA KEV?

Yes — 4 of qualcomm wcn3999 firmware's CVEs are listed in CISA's Known Exploited Vulnerabilities catalog, confirmed exploited in the wild and carrying a CISA remediation deadline.

Are there public exploits for qualcomm wcn3999 firmware vulnerabilities?

Yes — 10 of qualcomm wcn3999 firmware's CVEs have a known public exploit.

What are the most common weakness types in qualcomm wcn3999 firmware CVEs?

qualcomm wcn3999 firmware's CVEs most often map to these CWE weakness types: CWE-126 (Buffer Over-read), CWE-120 (Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')), CWE-125 (Out-of-bounds Read), CWE-476 (NULL Pointer Dereference).

How many critical qualcomm wcn3999 firmware vulnerabilities are there?

qualcomm wcn3999 firmware has 30 critical and 183 high-severity CVEs.

What is the average severity of qualcomm wcn3999 firmware CVEs?

The average CVSS base score across qualcomm wcn3999 firmware's scored CVEs is 7.8.

References

All qualcomm vulnerabilities
The MITRE CVE Program (opens in a new tab)
Learn: What is a CVE?
CWE directory: the weakness types these CVEs map to

Vulnerability data is sourced from the CVE Program; severity, KEV, and exploit signals are aggregated by RadicalNotion.AI.

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On this page

Overview
Severity and exploitation
Affected versions and CVEs
Common weakness types
Disclosure activity
Other products
FAQ
References