CVE-2023-33067

Memory corruption via repeated voice PCM START commands

Published Feb 6, 2024 · Updated Aug 2, 2024

Memory corruption in Qualcomm Audio firmware allows local privileged users to alter memory by repeatedly issuing a voice PCM START command. The host voice PCM path reuses the same RX or TX tap point across repeated START commands and computes an out-of-range pointer offset. High privileges and local command access are required; successful exploitation can read or modify protected data or interrupt audio processing.

CVSS severity6.7
Medium
EPSS probability0.11%
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

Memory corruption in Qualcomm Audio firmware allows local privileged users to alter memory by repeatedly issuing a voice PCM START command. The host voice PCM path reuses the same RX or TX tap point across repeated START commands and computes an out-of-range pointer offset. High privileges and local command access are required; successful exploitation can read or modify protected data or interrupt audio processing.

The record

CVE
CVE-2023-33067
Published
Feb 6, 2024
Updated
Aug 2, 2024
Vendor
Qualcomm
Product
Qualcomm Snapdragon 1200 Wearable Platform Firmware
Classifications
CWE-787, CWE-823
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Feb 6, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 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=0 <=*

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

Qualcomm · Qualcomm Snapdragon 1200 Wearable Platform Firmwareversion=0 <=*
Qualcomm · SA8155P Firmwareversion=0 <=*
Qualcomm · SA9000P Firmwareversion=0 <=*
Qualcomm · QCN9074 Firmwareversion=0 <=*
Qualcomm · Qualcomm WCN3660B Firmwareversion=0 <=*
Qualcomm · WCD9326 Firmwareversion=0 <=*
Qualcomm · QCA6698AQ Firmwareversion=0 <=*
Qualcomm · QAM8255P Firmwareversion=0 <=*
Qualcomm · Qualcomm WCD9375 Firmwareversion=0 <=*
Qualcomm · Qualcomm Snapdragon 820 Automotive Platform Firmwareversion=0 <=*
Qualcomm · QCN6274 Firmwareversion=0 <=*
Qualcomm · SA8770P Firmwareversion=0 <=*
Qualcomm · QCS610 Firmwareversion=0 <=*
Qualcomm · QAMSRV1M Firmwareversion=0 <=*
Qualcomm · SRV1M Firmwareversion=0 <=*
Qualcomm · WSA8810 Firmwareversion=0 <=*
Qualcomm · QCA8337 Firmwareversion=0 <=*
Qualcomm · Qualcomm Snapdragon 429 Mobile Platform Firmwareversion=0 <=*
Qualcomm · Qualcomm QCA6426 Firmwareversion=0 <=*
Qualcomm · SA6150P Firmwareversion=0 <=*
Qualcomm · QCA8081 Firmwareversion=0 <=*
Qualcomm · Qualcomm Snapdragon 778G 5G Mobile Platform Firmwareversion=0 <=*
Qualcomm · FastConnect 7800 Firmwareversion=0 <=*
Qualcomm · WCN3680B Firmwareversion=0 <=*
Qualcomm · QCA6320 Firmwareversion=0 <=*
Qualcomm · QCS410 Firmwareversion=0 <=*
Qualcomm · QAM8650P Firmwareversion=0 <=*
Qualcomm · SA8195P Firmwareversion=0 <=*
Qualcomm · SA8775P Firmwareversion=0 <=*
Qualcomm · Qualcomm SM7325P Firmwareversion=0 <=*
Qualcomm · Snapdragonversion=9206 LTE Modem; version=AQT1000; version=AR8035; version=C-V2X 9150; version=FastConnect 6200; version=FastConnect 6700; version=FastConnect 6800; version=FastConnect 6900; version=FastConnect 7800; version=MDM9628; version=MDM9650; version=MSM8996AU; version=QAM8255P; version=QAM8295P; version=QAM8650P; version=QAM8775P; version=QAMSRV1H; version=QAMSRV1M; version=QCA6310; version=QCA6320; version=QCA6391; version=QCA6420; version=QCA6426; version=QCA6430; version=QCA6436; version=QCA6564A; version=QCA6564AU; version=QCA6574A; version=QCA6574AU; version=QCA6584AU; version=QCA6696; version=QCA6698AQ; version=QCA8081; version=QCA8337; version=QCA9367; version=QCA9377; version=QCC710; version=QCN6224; version=QCN6274; version=QCN9074; version=QCS410; version=QCS610; version=QFW7114; version=QFW7124; version=Qualcomm Video Collaboration VC1 Platform; version=Qualcomm Video Collaboration VC3 Platform; version=SA6145P; version=SA6150P; version=SA6155P; version=SA8145P; version=SA8150P; version=SA8155P; version=SA8195P; version=SA8255P; version=SA8295P; version=SA8650P; version=SA8770P; version=SA8775P; version=SA9000P; version=SD835; version=SD855; version=SD865 5G; version=SD888; version=SDM429W; version=SM7315; version=SM7325P; version=Smart Audio 200 Platform; version=Snapdragon 1200 Wearable Platform; version=Snapdragon 429 Mobile Platform; version=Snapdragon 778G 5G Mobile Platform; version=Snapdragon 778G+ 5G Mobile Platform (SM7325-AE); version=Snapdragon 780G 5G Mobile Platform; version=Snapdragon 782G Mobile Platform (SM7325-AF); version=Snapdragon 7c+ Gen 3 Compute; version=Snapdragon 820 Automotive Platform; version=Snapdragon 835 Mobile PC Platform; version=Snapdragon 855+/860 Mobile Platform (SM8150-AC); version=Snapdragon 855 Mobile Platform; version=Snapdragon 865 5G Mobile Platform; version=Snapdragon 865+ 5G Mobile Platform (SM8250-AB); version=Snapdragon 870 5G Mobile Platform (SM8250-AC); version=Snapdragon 888 5G Mobile Platform; version=Snapdragon 888+ 5G Mobile Platform (SM8350-AC); version=Snapdragon Auto 5G Modem-RF Gen 2; version=Snapdragon Wear 4100+ Platform; version=Snapdragon X55 5G Modem-RF System; version=Snapdragon X5 LTE Modem; version=Snapdragon X75 5G Modem-RF System; version=Snapdragon XR2 5G Platform; version=SRV1H; version=SRV1M; version=SXR2130; version=WCD9326; version=WCD9330; version=WCD9335; version=WCD9340; version=WCD9341; version=WCD9370; version=WCD9375; version=WCD9380; version=WCD9385; version=WCN3610; version=WCN3620; version=WCN3660B; version=WCN3680B; version=WCN3950; version=WCN3980; version=WCN3990; version=WCN6740; version=WSA8810; version=WSA8815; version=WSA8830; version=WSA8835
Qualcomm · SA6155P Firmwareversion=0 <=*
Qualcomm · MDM9206 LTE Modem Firmwareversion=0 <=*
Qualcomm · Qualcomm Snapdragon 865 5G Mobile Platform Firmwareversion=0 <=*
Qualcomm · Qualcomm Snapdragon 835 Mobile PC Platform Firmwareversion=0 <=*
Qualcomm · SA8255P Firmwareversion=0 <=*
Qualcomm · Qualcomm QCA9367 Firmwareversion=0 <=*
Qualcomm · SA8295P Firmwareversion=0 <=*
Qualcomm · SA8145P Firmwareversion=0 <=*
Qualcomm · FastConnect 6700 Firmwareversion=0 <=*
Qualcomm · Qualcomm QCA6564A Firmwareversion=0 <=*
Qualcomm · Qualcomm Video Collaboration VC1 Platform Firmwareversion=0 <=*
Qualcomm · FastConnect 6900 Firmwareversion=0 <=*
Qualcomm · Qualcomm QCA9377 Firmwareversion=0 <=*
Qualcomm · WCD9370 Firmwareversion=0 <=*
Qualcomm · SA8150P Firmwareversion=0 <=*
Qualcomm · QCA6420 Firmwareversion=0 <=*
Qualcomm · QFW7124 Firmwareversion=0 <=*
Qualcomm · QCN6224 Firmwareversion=0 <=*
Qualcomm · Qualcomm WCD9341 Firmwareversion=0 <=*
Qualcomm · Snapdragon X55 5G Modem-RF System Firmwareversion=0 <=*
Qualcomm · QAMSRV1H Firmwareversion=0 <=*
Qualcomm · Qualcomm QCA6564AU Firmwareversion=0 <=*
Qualcomm · C-V2X 9150 Firmwareversion=0 <=*
Qualcomm · Qualcomm Snapdragon 855 Mobile Platform Firmwareversion=0 <=*
Qualcomm · QAM8295P Firmwareversion=0 <=*
Qualcomm · Qualcomm QCA6436 Firmwareversion=0 <=*
Qualcomm · QCA6574AU Firmwareversion=0 <=*
Qualcomm · QCA6584AU Firmwareversion=0 <=*
Qualcomm · WCD9380 Firmwareversion=0 <=*
Qualcomm · Qualcomm WCN6740 Firmwareversion=0 <=*
Qualcomm · Qualcomm QCA6574A Firmwareversion=0 <=*
Qualcomm · Qualcomm Snapdragon X5 LTE Modem Firmwareversion=0 <=*
Qualcomm · Snapdragon Auto 5G Modem-RF Gen 2 Firmwareversion=0 <=*
Qualcomm · Qualcomm QCA6430 Firmwareversion=0 <=*
Qualcomm · MSM8996AU Firmwareversion=0 <=*
Qualcomm · Qualcomm Snapdragon 780G 5G Mobile Platform Firmwareversion=0 <=*
Qualcomm · SA6145P Firmwareversion=0 <=*
Qualcomm · Qualcomm WCN3990 Firmwareversion=0 <=*
Qualcomm · Qualcomm WCN3610 Firmwareversion=0 <=*
Qualcomm · Qualcomm WCN3620 Firmwareversion=0 <=*
Qualcomm · FastConnect 6200 Firmwareversion=0 <=*
Qualcomm · AR8035 Firmwareversion=0 <=*
Qualcomm · QCC710 Firmwareversion=0 <=*
Qualcomm · QAM8775P Firmwareversion=0 <=*
Qualcomm · MDM9628 Firmwareversion=0 <=*
Qualcomm · AQT1000 Firmwareversion=0 <=*
Qualcomm · WCN3950 Firmwareversion=0 <=*
Qualcomm · WSA8830 Firmwareversion=0 <=*
Qualcomm · Qualcomm Snapdragon 888+ 5G Mobile Platform Firmwareversion=0 <=*
Qualcomm · QCA6391 Firmwareversion=0 <=*
Qualcomm · Qualcomm Snapdragon XR2 5G Platform Firmwareversion=0 <=*
Qualcomm · WCD9385 Firmwareversion=0 <=*
Qualcomm · WCD9340 Firmwareversion=0 <=*
Qualcomm · WCN3980 Firmwareversion=0 <=*
Qualcomm · WSA8835 Firmwareversion=0 <=*
Qualcomm · Qualcomm Video Collaboration VC3 Platform Firmwareversion=0 <=*
Qualcomm · SA8650P Firmwareversion=0 <=*
Qualcomm · Qualcomm WCD9335 Firmwareversion=0 <=*
Qualcomm · Qualcomm Smart Audio 200 Platform Firmwareversion=0 <=*
Qualcomm · FastConnect 6800 Firmwareversion=0 <=*
Qualcomm · SXR2130 Firmwareversion=0 <=*
Qualcomm · WCD9330 Firmwareversion=0 <=*
Qualcomm · SRV1H Firmwareversion=0 <=*
Qualcomm · Snapdragon X75 5G Modem-RF System Firmwareversion=0 <=*
Qualcomm · QCA6696 Firmwareversion=0 <=*
Qualcomm · QFW7114 Firmwareversion=0 <=*
Qualcomm · SDM429W Firmwareversion=0 <=*
Qualcomm · MDM9650 Firmwareversion=0 <=*
Qualcomm · Qualcomm Snapdragon 835 Firmwareversion=0 <=*
Qualcomm · WSA8815 Firmwareversion=0 <=*
Qualcomm · QCA6310 Firmwareversion=0 <=*

Published CVSS scores

7.8NISTCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
6.7QualcommCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

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)
Vectorlocal
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-787Out-of-bounds Write
CWE-823Use of Out-of-range Pointer Offset

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