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Qualcomm
Sd821 Firmware

qualcomm sd821 firmware Vulnerabilities: CVEs, CISA KEV & Security Advisories

102 CVEs

1 in CISA KEV

qualcomm sd821 firmware Vulnerabilities

CVE security advisories and vulnerability history for sd821 firmware by qualcomm.

102

Total CVEs

Published

1

In CISA KEV

Exploited in the wild

3

Public exploits

With known exploit

8.0

Avg CVSS

2020–2025

Last updated November 4, 2025

Overview

qualcomm sd821 firmware has 102 published CVE records since 2020, of which 1 are in CISA's Known Exploited Vulnerabilities catalog and 3 have a known public exploit. The average CVSS base score across scored CVEs is 8.0.

This page aggregates every publicly disclosed vulnerability (CVE) affecting qualcomm sd821 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 sd821 firmware's CVEs breaks down, plus how many are exploited in the wild or have public exploit code.

Critical10

High64

Medium5

Low0

23 additional CVEs have no CVSS severity score.

In CISA’s Known Exploited Vulnerabilities catalog

1

One of qualcomm sd821 firmware's CVEs is confirmed exploited in the wild.

Public exploits

3

3 of qualcomm sd821 firmware's CVEs have a known public exploit available.

Affected versions and CVEs

Browse every qualcomm sd821 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 sd821 firmware; the CVEs below apply to the product without a version pin.

102 CVEs

Sort

Incorrect Calculation of Buffer Size in SCE-Mink
CVE-2025-27074CWE-131
High · CVSS 8.8
EPSS 0.0% (5th pct)2025-11-04
Incorrect Calculation of Buffer Size in HLOS
CVE-2025-27053CWE-131
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 Over-read in WLAN Embedded SW
CVE-2025-21454CWE-126
High · CVSS 7.5
EPSS 0.4% (58th pct)2025-07-08
Buffer Over-read in WLAN Embedded SW
CVE-2025-21449CWE-126
High · CVSS 7.5
EPSS 0.4% (58th pct)2025-07-08
High vulnerability · 2024-11-26
CVE-2018-11816
Patch
CWE-416
High · CVSS 7.8
EPSS 0.1% (18th pct)2024-11-26
High vulnerability · 2024-11-26
CVE-2016-10408
Patch
CWE-284
High · CVSS 7.8
EPSS 0.0% (16th pct)2024-11-26
High vulnerability · 2024-07-01
CVE-2024-21461
Patch
CWE-415
High · CVSS 8.4
EPSS 0.1% (29th pct)2024-07-01
High vulnerability · 2024-04-01
CVE-2024-21468
Patch
CWE-416
High · CVSS 8.4
EPSS 0.1% (19th pct)2024-04-01
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
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
Buffer Copy without Checking Size of Input in HLOS
CVE-2023-33030CWE-120
Critical · CVSS 9.3
EPSS 0.1% (19th pct)2024-01-02
High vulnerability · 2023-12-05
CVE-2023-33080CWE-126
High · CVSS 7.5
EPSS 0.2% (41th pct)2023-12-05
Improper Restriction of Operation within the Bounds of a Memory Buffer in TZ Secure OS
CVE-2023-28586CWE-119
Medium · CVSS 6.0
EPSS 0.0% (12th pct)2023-12-05
High vulnerability · 2023-12-05
CVE-2023-28546CWE-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
High vulnerability · 2023-09-05
CVE-2023-28565CWE-129
High · CVSS 7.8
EPSS 0.1% (19th pct)2023-09-05
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
Integer Overflow or Wraparound in Audio
CVE-2023-22667CWE-190
High · CVSS 8.4
EPSS 0.1% (19th pct)2023-07-04
High vulnerability · 2023-06-06
CVE-2023-21628CWE-119
High · CVSS 8.4
EPSS 0.1% (20th pct)2023-06-06
High vulnerability · 2023-06-06
CVE-2022-22076CWE-310
High · CVSS 7.1
EPSS 0.1% (20th pct)2023-06-06
Incorrect type conversion in WLAN
CVE-2022-40531CWE-704
High · CVSS 8.4
EPSS 0.1% (30th pct)2023-03-07
High vulnerability · 2023-03-07
CVE-2022-40515
Patch
CWE-415
High · CVSS 7.3
EPSS 0.3% (54th pct)2023-03-07
High vulnerability · 2023-03-07
CVE-2022-33213
Patch
CWE-121
High · CVSS 7.5
EPSS 0.3% (55th pct)2023-03-07
High vulnerability · 2023-03-07
CVE-2022-25709CWE-823
High · CVSS 8.4
EPSS 0.1% (32th pct)2023-03-07
High vulnerability · 2023-03-07
CVE-2022-25705CWE-680
High · CVSS 7.8
EPSS 0.1% (32th pct)2023-03-07
Use of Out-of-range Pointer Offset in MODEM
CVE-2022-25694CWE-823
High · CVSS 8.4
EPSS 0.1% (32th pct)2023-03-07
Information Exposure in Graphics
CVE-2022-22075CWE-200
Medium · CVSS 6.2
EPSS 0.1% (29th pct)2023-03-07
High vulnerability · 2023-02-09
CVE-2022-40512
Patch
CWE-126
High · CVSS 7.5
EPSS 0.4% (58th pct)2023-02-09

Showing 30 of 102

Common weakness types

The CWE weakness categories most often found in qualcomm sd821 firmware CVEs. Follow any weakness for its full explanation.

CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')7 CVEs
CWE-126Buffer Over-read5 CVEs
CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer3 CVEs
CWE-129Improper Validation of Array Index3 CVEs
CWE-416Use After Free3 CVEs
CWE-131Incorrect Calculation of Buffer Size2 CVEs
CWE-3102 CVEs
CWE-190Integer Overflow or Wraparound2 CVEs

Disclosure activity by year

How many qualcomm sd821 firmware CVEs were published each year.

2020

2

2021

51

2022

15

2023

21

2024

8

2025

5

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 sd821 firmware vulnerabilities.

How many CVEs does qualcomm sd821 firmware have?

qualcomm sd821 firmware has 102 published CVE records since 2020.

How many qualcomm sd821 firmware CVEs are in CISA KEV?

Yes — 1 of qualcomm sd821 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 sd821 firmware vulnerabilities?

Yes — 3 of qualcomm sd821 firmware's CVEs have a known public exploit.

What are the most common weakness types in qualcomm sd821 firmware CVEs?

qualcomm sd821 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-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer), CWE-129 (Improper Validation of Array Index).

How many critical qualcomm sd821 firmware vulnerabilities are there?

qualcomm sd821 firmware has 10 critical and 64 high-severity CVEs.

What is the average severity of qualcomm sd821 firmware CVEs?

The average CVSS base score across qualcomm sd821 firmware's scored CVEs is 8.0.

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