CVE-2024-21480Network attack vector

Memory corruption via oversized audio input buffer

Published May 6, 2024 · Updated Aug 1, 2024

Buffer overflow in Qualcomm Snapdragon Audio allows remote attackers to corrupt memory when a large-input audio file is played. The closed-source Audio component copies an oversized input buffer without validating its size, overrunning the destination buffer. No privileges or user interaction are required, but Qualcomm has not disclosed whether the corruption causes a crash, data access, or code execution.

CVSS severity7.3
High
EPSS probability0.29%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Buffer overflow in Qualcomm Snapdragon Audio allows remote attackers to corrupt memory when a large-input audio file is played. The closed-source Audio component copies an oversized input buffer without validating its size, overrunning the destination buffer. No privileges or user interaction are required, but Qualcomm has not disclosed whether the corruption causes a crash, data access, or code execution.

The record

CVE
CVE-2024-21480
Published
May 6, 2024
Updated
Aug 1, 2024
Vendor
Qualcomm
Product
QCA6698AQ Firmware
Classifications
CWE-120, T1203
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 6, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 1, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=-

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Qualcomm · QCA6698AQ Firmwareversion=-
Qualcomm · QAM8255P Firmwareversion=-
Qualcomm · Qualcomm QCA6595AU Firmwareversion=-
Qualcomm · QCN6274 Firmwareversion=-
Qualcomm · Qualcomm QCA6678AQ Firmwareversion=-
Qualcomm · QAMSRV1M Firmwareversion=-
Qualcomm · QCA8337 Firmwareversion=-
Qualcomm · Qualcomm QCA6797AQ Firmwareversion=-
Qualcomm · SA6150P Firmwareversion=-
Qualcomm · QCA8081 Firmwareversion=-
Qualcomm · FastConnect 7800 Firmwareversion=-
Qualcomm · Qualcomm QCA6595 Firmwareversion=-
Qualcomm · QCM4490 Firmwareversion=-
Qualcomm · QAM8650P Firmwareversion=-
Qualcomm · QCM6490 Firmwareversion=-
Qualcomm · Snapdragonversion=AR8035; version=FastConnect 6200; version=FastConnect 6700; version=FastConnect 6900; version=FastConnect 7800; version=QAM8255P; version=QAM8295P; version=QAM8650P; version=QAM8775P; version=QAMSRV1H; version=QAMSRV1M; version=QCA6174A; version=QCA6574; version=QCA6574A; version=QCA6574AU; version=QCA6584AU; version=QCA6595; version=QCA6595AU; version=QCA6678AQ; version=QCA6696; version=QCA6698AQ; version=QCA6797AQ; version=QCA8081; version=QCA8337; version=QCC710; version=QCM4325; version=QCM4490; version=QCM5430; version=QCM6490; version=QCM8550; version=QCN6024; version=QCN6224; version=QCN6274; version=QCN9024; version=QCS4490; version=QCS5430; version=QCS6490; version=QCS8550; version=QEP8111; version=QFW7114; version=QFW7124; version=Qualcomm Video Collaboration VC3 Platform; version=SA4150P; version=SA4155P; version=SA6145P; version=SA6150P; version=SA6155P; version=SA7255P; version=SA8145P; version=SA8150P; version=SA8155P; version=SA8195P; version=SA8255P; version=SA8295P; version=SA8530P; version=SA8540P; version=SA8620P; version=SA8650P; version=SA8770P; version=SA8775P; version=SA9000P; version=SD865 5G; version=SD 8 Gen1 5G; version=SG4150P; version=SG8275P; version=SM8550P; version=Snapdragon 480 5G Mobile Platform; version=Snapdragon 480+ 5G Mobile Platform (SM4350-AC); version=Snapdragon 4 Gen 1 Mobile Platform; version=Snapdragon 4 Gen 2 Mobile Platform; version=Snapdragon 680 4G Mobile Platform; version=Snapdragon 685 4G Mobile Platform (SM6225-AD); version=Snapdragon 695 5G Mobile Platform; version=Snapdragon 8 Gen 1 Mobile Platform; version=Snapdragon 8+ Gen 1 Mobile Platform; version=Snapdragon 8 Gen 2 Mobile Platform; version=Snapdragon 8+ Gen 2 Mobile Platform; version=Snapdragon 8 Gen 3 Mobile Platform; version=Snapdragon AR2 Gen 1 Platform; version=Snapdragon Auto 5G Modem-RF Gen 2; version=Snapdragon W5+ Gen 1 Wearable Platform; version=Snapdragon X35 5G Modem-RF System; version=Snapdragon X65 5G Modem-RF System; version=Snapdragon X72 5G Modem-RF System; version=Snapdragon X75 5G Modem-RF System; version=Snapdragon XR2 5G Platform; version=SRV1H; version=SRV1M; version=SSG2115P; version=SSG2125P; version=SW5100; version=SW5100P; version=SXR1230P; version=SXR2230P; version=SXR2250P; version=TalynPlus; version=WCD9340; version=WCD9370; version=WCD9375; version=WCD9380; version=WCD9385; version=WCD9390; version=WCD9395; version=WCN3950; version=WCN3980; version=WCN3988; version=WCN6740; version=WSA8810; version=WSA8815; version=WSA8830; version=WSA8832; version=WSA8835; version=WSA8840; version=WSA8845; version=WSA8845H
Qualcomm · SA6155P Firmwareversion=-
Qualcomm · QCS6490 Firmwareversion=-
Qualcomm · SA4155P Firmwareversion=-
Qualcomm · FastConnect 6700 Firmwareversion=-
Qualcomm · FastConnect 6900 Firmwareversion=-
Qualcomm · QEP8111 Firmwareversion=-
Qualcomm · QCS4490 Firmwareversion=-
Qualcomm · QCM8550 Firmwareversion=-
Qualcomm · QCS8550 Firmwareversion=-
Qualcomm · QFW7124 Firmwareversion=-
Qualcomm · QCN6224 Firmwareversion=-
Qualcomm · QCM5430 Firmwareversion=-
Qualcomm · QCS5430 Firmwareversion=-
Qualcomm · QAMSRV1H Firmwareversion=-
Qualcomm · SA7255P Firmwareversion=-
Qualcomm · QAM8295P Firmwareversion=-
Qualcomm · QCA6574AU Firmwareversion=-
Qualcomm · QCA6584AU Firmwareversion=-
Qualcomm · Qualcomm QCA6574A Firmwareversion=-
Qualcomm · Qualcomm QCA6574 Firmwareversion=-
Qualcomm · QCM4325 Firmwareversion=-
Qualcomm · QCN6024 Firmwareversion=-
Qualcomm · SA6145P Firmwareversion=-
Qualcomm · FastConnect 6200 Firmwareversion=-
Qualcomm · AR8035 Firmwareversion=-
Qualcomm · QCN9024 Firmwareversion=-
Qualcomm · QCC710 Firmwareversion=-
Qualcomm · QCA6174A Firmwareversion=-
Qualcomm · QAM8775P Firmwareversion=-
Qualcomm · Qualcomm Video Collaboration VC3 Platform Firmwareversion=-
Qualcomm · SA4150P Firmwareversion=-
Qualcomm · QCA6696 Firmwareversion=-
Qualcomm · QFW7114 Firmwareversion=-

Published CVSS scores

7.3QualcommCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-120Buffer Copy Without Checking Size of Input ('Classic Buffer Overflow')
T1203Exploitation for Client Execution

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo