Skip to content

RadicalNotion.AI

We do not sell or share your personal information

© 2026 RadicalNotion.AI

Security Data

CWE Directory
CAPEC Directory
CNA Directory
CNA Report Cards
Data Sources

Calculators

CVSS Calculator
CVSS 4.0
CVSS 3.1
CVSS 3.0
CVSS 2.0

Platform

My Vulnerabilities
Insights
Notifications
Account
Pricing

Learn

All guides
What is a CVE?
What is CVSS?
The CISA KEV catalog
What is EPSS?

Company

About us
Blog
Book a demo

Get Started

Sign up
Log in

Legal

Privacy
Terms

Security data

Weaknesses (CWE)The MITRE CWE weakness catalog
Attack Patterns (CAPEC)MITRE CAPEC attack patterns
CNAsNumbering authorities + report cards
VendorsVulnerabilities by vendor

Tools

CVSS CalculatorScore CVSS 4.0, 3.1, 3.0 & 2.0

Resources

LearnPlain-English security guides
Data SourcesHow we source CVE data

About Us Blog Pricing Book a Demo

Log in

Home
Vendors
Qualcomm
Wcn3998 Firmware

qualcomm wcn3998 firmware Vulnerabilities: CVEs, CISA KEV & Security Advisories

528 CVEs

5 in CISA KEV

qualcomm wcn3998 firmware Vulnerabilities

CVE security advisories and vulnerability history for wcn3998 firmware by qualcomm.

528

Total CVEs

Published

5

In CISA KEV

Exploited in the wild

15

Public exploits

With known exploit

7.7

Avg CVSS

2021–2024

Last updated November 22, 2024

Overview

qualcomm wcn3998 firmware has 528 published CVE records since 2021, of which 5 are in CISA's Known Exploited Vulnerabilities catalog and 15 have a known public exploit. The average CVSS base score across scored CVEs is 7.7.

This page aggregates every publicly disclosed vulnerability (CVE) affecting qualcomm wcn3998 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 wcn3998 firmware's CVEs breaks down, plus how many are exploited in the wild or have public exploit code.

Critical47

High321

Medium98

Low0

62 additional CVEs have no CVSS severity score.

In CISA’s Known Exploited Vulnerabilities catalog

5

5 of qualcomm wcn3998 firmware's CVEs are confirmed exploited in the wild.

Public exploits

15

15 of qualcomm wcn3998 firmware's CVEs have a known public exploit available.

Affected versions and CVEs

Browse every qualcomm wcn3998 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 wcn3998 firmware; the CVEs below apply to the product without a version pin.

528 CVEs

Sort

Medium vulnerability · 2024-11-22
CVE-2021-30299
Patch
CWE-20
Medium · CVSS 6.7
EPSS 0.0% (7th pct)2024-11-22
High vulnerability · 2023-12-05
CVE-2023-33087CWE-120
High · CVSS 7.8
EPSS 0.1% (19th pct)2023-12-05
High vulnerability · 2023-12-05
CVE-2023-33081CWE-126
High · CVSS 7.5
EPSS 0.1% (35th pct)2023-12-05
High vulnerability · 2023-12-05
CVE-2023-33080CWE-126
High · CVSS 7.5
EPSS 0.2% (41th pct)2023-12-05
High vulnerability · 2023-12-05
CVE-2023-33079CWE-823
High · CVSS 7.8
EPSS 0.1% (19th pct)2023-12-05
Improper Authentication in Automotive OS
CVE-2023-33070
Public exploit
CWE-287
High · CVSS 7.1
EPSS 0.1% (17th pct)2023-12-05
Use After Free in DSP Services
CVE-2023-33063
CISA KEV
Public exploit
Patch
CWE-416
Added to CISA KEV 2023-12-05
High · CVSS 8.5
EPSS 0.4% (64th pct)2023-12-05
Critical vulnerability · 2023-12-05
CVE-2023-33054CWE-287
Critical · CVSS 9.1
EPSS 0.1% (32th pct)2023-12-05
High vulnerability · 2023-12-05
CVE-2023-33044CWE-617
High · CVSS 7.5
EPSS 0.2% (48th pct)2023-12-05
High vulnerability · 2023-12-05
CVE-2023-33043CWE-617
High · CVSS 7.5
EPSS 0.2% (48th pct)2023-12-05
High vulnerability · 2023-12-05
CVE-2023-33042CWE-20
High · CVSS 7.5
EPSS 0.2% (48th pct)2023-12-05
Medium vulnerability · 2023-12-05
CVE-2023-33024CWE-120
Medium · CVSS 6.7
EPSS 0.0% (13th pct)2023-12-05
High vulnerability · 2023-12-05
CVE-2023-33022CWE-680
High · CVSS 8.4
EPSS 0.1% (19th pct)2023-12-05
Integer Overflow to Buffer Overflow in User Identity Module
CVE-2023-33018CWE-680
High · CVSS 7.8
EPSS 0.1% (19th pct)2023-12-05
High vulnerability · 2023-12-05
CVE-2023-33017CWE-120
High · CVSS 7.8
EPSS 0.1% (19th pct)2023-12-05
Buffer Copy Without Checking Size of Input in Audio
CVE-2023-33059CWE-191
High · CVSS 7.8
EPSS 0.1% (24th pct)2023-11-07
Buffer Copy Without Checking Size of Input in Audio
CVE-2023-33055CWE-120
High · CVSS 7.8
EPSS 0.1% (24th pct)2023-11-07
Buffer Copy Without Checking Size of Input in Automotive Audio
CVE-2023-33031CWE-120
High · CVSS 7.8
EPSS 0.1% (24th pct)2023-11-07
Buffer Copy Without Checking Size of Input in Audio
CVE-2023-33035CWE-120
High · CVSS 7.8
EPSS 0.1% (19th pct)2023-10-03
Signed-to-unsigned conversion error in Audio
CVE-2023-33034CWE-195
High · CVSS 7.8
EPSS 0.1% (19th pct)2023-10-03
Use After Free in DSP Service
CVE-2023-33029CWE-416
High · CVSS 8.4
EPSS 0.1% (19th pct)2023-10-03
High vulnerability · 2023-10-03
CVE-2023-33027
Patch
CWE-126
High · CVSS 7.5
EPSS 0.2% (41th pct)2023-10-03
Critical vulnerability · 2023-10-03
CVE-2023-28540CWE-287
Critical · CVSS 9.1
EPSS 0.1% (25th pct)2023-10-03
Buffer Copy Without Checking Size of Input in WLAN HAL
CVE-2023-28560CWE-120
High · CVSS 7.8
EPSS 0.0% (8th pct)2023-09-05
High vulnerability · 2023-09-05
CVE-2023-21664CWE-120
High · CVSS 7.8
EPSS 0.1% (19th pct)2023-09-05
Medium vulnerability · 2023-09-05
CVE-2023-21663CWE-119
Medium · CVSS 6.7
EPSS 0.0% (6th pct)2023-09-05
High vulnerability · 2023-09-05
CVE-2023-21662CWE-120
High · CVSS 7.8
EPSS 0.1% (19th pct)2023-09-05
Medium vulnerability · 2023-09-05
CVE-2023-21654CWE-119
Medium · CVSS 6.7
EPSS 0.0% (6th pct)2023-09-05
High vulnerability · 2023-09-05
CVE-2023-21646CWE-617
High · CVSS 7.5
EPSS 0.1% (29th pct)2023-09-05
Medium vulnerability · 2023-09-05
CVE-2023-21644
Patch
CWE-680
Medium · CVSS 6.7
EPSS 0.0% (7th pct)2023-09-05

Showing 30 of 528

Common weakness types

The CWE weakness categories most often found in qualcomm wcn3998 firmware CVEs. Follow any weakness for its full explanation.

CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')23 CVEs
CWE-126Buffer Over-read18 CVEs
CWE-617Reachable Assertion17 CVEs
CWE-125Out-of-bounds Read13 CVEs
CWE-416Use After Free12 CVEs
CWE-129Improper Validation of Array Index10 CVEs
CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer8 CVEs
CWE-415Double Free8 CVEs

Disclosure activity by year

How many qualcomm wcn3998 firmware CVEs were published each year.

2021

202

2022

179

2023

146

2024

1

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 wcn3998 firmware vulnerabilities.

How many CVEs does qualcomm wcn3998 firmware have?

qualcomm wcn3998 firmware has 528 published CVE records since 2021.

How many qualcomm wcn3998 firmware CVEs are in CISA KEV?

Yes — 5 of qualcomm wcn3998 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 wcn3998 firmware vulnerabilities?

Yes — 15 of qualcomm wcn3998 firmware's CVEs have a known public exploit.

What are the most common weakness types in qualcomm wcn3998 firmware CVEs?

qualcomm wcn3998 firmware's CVEs most often map to these CWE weakness types: CWE-120 (Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')), CWE-126 (Buffer Over-read), CWE-617 (Reachable Assertion), CWE-125 (Out-of-bounds Read).

How many critical qualcomm wcn3998 firmware vulnerabilities are there?

qualcomm wcn3998 firmware has 47 critical and 321 high-severity CVEs.

What is the average severity of qualcomm wcn3998 firmware CVEs?

The average CVSS base score across qualcomm wcn3998 firmware's scored CVEs is 7.7.

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.

Track qualcomm wcn3998 firmware vulnerabilities

Monitor new qualcomm wcn3998 firmware vulnerabilities as they are disclosed, with AI-written analysis and remediation guidance.

Start free See pricing

On this page

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