CVE-2023-33104Network attack vector

Service interruption via out-of-range PDU identifier

Published Mar 4, 2024 · Updated Aug 29, 2024

Improper input validation in Qualcomm's multi-mode call processor allows remote attackers to interrupt service using a PDU Release command. The command handler accepts a PDU ID outside the valid range while processing the release request, producing a transient denial of service. Network reachability is sufficient; no authentication or user interaction is required, and only temporary availability loss is reported.

CVSS severity7.5
High
EPSS probability0.32%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper input validation in Qualcomm's multi-mode call processor allows remote attackers to interrupt service using a PDU Release command. The command handler accepts a PDU ID outside the valid range while processing the release request, producing a transient denial of service. Network reachability is sufficient; no authentication or user interaction is required, and only temporary availability loss is reported.

The record

CVE
CVE-2023-33104
Published
Mar 4, 2024
Updated
Aug 29, 2024
Vendor
Qualcomm
Product
Qualcomm Snapdragon 750G 5G Mobile Platform Firmware
Classifications
CWE-20, T1499.004
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 4, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 29, 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 vectornetwork
Required privilegesunauthenticated

What is affected?

Qualcomm · Qualcomm Snapdragon 750G 5G Mobile Platform Firmwareversion=0 <=*
Qualcomm · Qualcomm SM7315 Firmwareversion=0 <=*
Qualcomm · QCA6698AQ Firmwareversion=0 <=*
Qualcomm · WCD9390 Firmwareversion=0 <=*
Qualcomm · Qualcomm QCA6431 Firmwareversion=0 <=*
Qualcomm · Qualcomm QCA6595AU Firmwareversion=0 <=*
Qualcomm · Qualcomm Snapdragon 4 Gen 1 Mobile Platform Firmwareversion=0 <=*
Qualcomm · Qualcomm Snapdragon 4 Gen 2 Mobile Platform Firmwareversion=0 <=*
Qualcomm · Qualcomm WCD9375 Firmwareversion=0 <=*
Qualcomm · QCN6274 Firmwareversion=0 <=*
Qualcomm · Snapdragon Auto 5G Modem-RF Firmwareversion=0 <=*
Qualcomm · Qualcomm SG8275P Firmwareversion=0 <=*
Qualcomm · Qualcomm SM8550P Firmwareversion=0 <=*
Qualcomm · WSA8810 Firmwareversion=0 <=*
Qualcomm · QCA8337 Firmwareversion=0 <=*
Qualcomm · Qualcomm QCA6426 Firmwareversion=0 <=*
Qualcomm · QCA8081 Firmwareversion=0 <=*
Qualcomm · Qualcomm Snapdragon 778G 5G Mobile Platform Firmwareversion=0 <=*
Qualcomm · FastConnect 7800 Firmwareversion=0 <=*
Qualcomm · Qualcomm Snapdragon 8 Gen 3 Mobile Platform Firmwareversion=0 <=*
Qualcomm · QCM4490 Firmwareversion=0 <=*
Qualcomm · WCD9360 Firmwareversion=0 <=*
Qualcomm · Snapdragon X65 5G Modem-RF System Firmwareversion=0 <=*
Qualcomm · QCM6490 Firmwareversion=0 <=*
Qualcomm · Qualcomm SM7325P Firmwareversion=0 <=*
Qualcomm · Snapdragonversion=315 5G IoT Modem; version=AR8035; version=FastConnect 6200; version=FastConnect 6700; version=FastConnect 6800; version=FastConnect 6900; version=FastConnect 7800; version=QCA6174A; version=QCA6391; version=QCA6421; version=QCA6426; version=QCA6431; version=QCA6436; version=QCA6574A; version=QCA6584AU; version=QCA6595AU; version=QCA6696; version=QCA6698AQ; version=QCA8081; version=QCA8337; version=QCC710; version=QCM4490; version=QCM6490; version=QCM8550; version=QCN6024; version=QCN6224; version=QCN6274; version=QCN9024; version=QCS4490; version=QCS6490; version=QCS8550; version=QEP8111; version=QFW7114; version=QFW7124; version=Qualcomm Video Collaboration VC3 Platform; version=SD855; version=SD865 5G; version=SD888; version=SDX55; version=SDX57M; version=SG8275P; version=SM7250P; version=SM7315; version=SM7325P; 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 690 5G Mobile Platform; version=Snapdragon 695 5G Mobile Platform; version=Snapdragon 750G 5G Mobile Platform; version=Snapdragon 765 5G Mobile Platform (SM7250-AA); version=Snapdragon 765G 5G Mobile Platform (SM7250-AB); version=Snapdragon 768G 5G Mobile Platform (SM7250-AC); 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 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 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 Auto 5G Modem-RF; version=Snapdragon Auto 5G Modem-RF Gen 2; version=Snapdragon X35 5G Modem-RF System; version=Snapdragon X55 5G Modem-RF System; version=Snapdragon X65 5G Modem-RF System; version=Snapdragon X70 Modem-RF System; version=Snapdragon X75 5G Modem-RF System; version=Snapdragon XR2 5G Platform; version=SXR2130; version=WCD9340; version=WCD9341; version=WCD9360; version=WCD9370; version=WCD9375; version=WCD9380; version=WCD9385; version=WCD9390; version=WCD9395; version=WCN3950; version=WCN3988; version=WCN6740; version=WSA8810; version=WSA8815; version=WSA8830; version=WSA8832; version=WSA8835; version=WSA8840; version=WSA8845; version=WSA8845H
Qualcomm · Qualcomm Snapdragon 865 5G Mobile Platform Firmwareversion=0 <=*
Qualcomm · Qualcomm Snapdragon 888 Firmwareversion=0 <=*
Qualcomm · WSA8845H Firmwareversion=0 <=*
Qualcomm · Qualcomm Snapdragon 8 Gen 1 Mobile Platform Firmwareversion=0 <=*
Qualcomm · Qualcomm Snapdragon 695 5G Mobile Platform Firmwareversion=0 <=*
Qualcomm · QCA6421 Firmwareversion=0 <=*
Qualcomm · QCS6490 Firmwareversion=0 <=*
Qualcomm · Snapdragon X70 Modem-RF System Firmwareversion=0 <=*
Qualcomm · FastConnect 6700 Firmwareversion=0 <=*
Qualcomm · Qualcomm Snapdragon 855 Firmwareversion=0 <=*
Qualcomm · FastConnect 6900 Firmwareversion=0 <=*
Qualcomm · QEP8111 Firmwareversion=0 <=*
Qualcomm · QCS4490 Firmwareversion=0 <=*
Qualcomm · QCM8550 Firmwareversion=0 <=*
Qualcomm · Qualcomm Snapdragon 480 5G Mobile Platform Firmwareversion=0 <=*
Qualcomm · QCS8550 Firmwareversion=0 <=*
Qualcomm · WCD9370 Firmwareversion=0 <=*
Qualcomm · WSA8845 Firmwareversion=0 <=*
Qualcomm · QFW7124 Firmwareversion=0 <=*
Qualcomm · QCN6224 Firmwareversion=0 <=*
Qualcomm · Qualcomm SM7250P Firmwareversion=0 <=*
Qualcomm · Qualcomm WCD9341 Firmwareversion=0 <=*
Qualcomm · Snapdragon X55 5G Modem-RF System Firmwareversion=0 <=*
Qualcomm · WCN3988 Firmwareversion=0 <=*
Qualcomm · Snapdragon X35 5G Modem-RF System Firmwareversion=0 <=*
Qualcomm · WCD9395 Firmwareversion=0 <=*
Qualcomm · Qualcomm Snapdragon 855 Mobile Platform Firmwareversion=0 <=*
Qualcomm · Qualcomm Snapdragon 865 5G Firmwareversion=0 <=*
Qualcomm · Qualcomm QCA6436 Firmwareversion=0 <=*
Qualcomm · QCA6584AU Firmwareversion=0 <=*
Qualcomm · WCD9380 Firmwareversion=0 <=*
Qualcomm · Qualcomm WCN6740 Firmwareversion=0 <=*
Qualcomm · Qualcomm QCA6574A Firmwareversion=0 <=*
Qualcomm · WSA8840 Firmwareversion=0 <=*
Qualcomm · Snapdragon Auto 5G Modem-RF Gen 2 Firmwareversion=0 <=*
Qualcomm · QCN6024 Firmwareversion=0 <=*
Qualcomm · Qualcomm Snapdragon 780G 5G Mobile Platform Firmwareversion=0 <=*
Qualcomm · Qualcomm SDX57M Firmwareversion=0 <=*
Qualcomm · FastConnect 6200 Firmwareversion=0 <=*
Qualcomm · AR8035 Firmwareversion=0 <=*
Qualcomm · 315 5G IoT Modem Firmwareversion=0 <=*
Qualcomm · QCN9024 Firmwareversion=0 <=*
Qualcomm · QCC710 Firmwareversion=0 <=*
Qualcomm · QCA6174A Firmwareversion=0 <=*
Qualcomm · Qualcomm Snapdragon 690 5G Mobile Platform Firmwareversion=0 <=*
Qualcomm · Qualcomm Snapdragon X55 5G Modem 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 · WSA8835 Firmwareversion=0 <=*
Qualcomm · Qualcomm Snapdragon 8 Gen 2 Mobile Platform Firmwareversion=0 <=*
Qualcomm · Qualcomm Video Collaboration VC3 Platform Firmwareversion=0 <=*
Qualcomm · FastConnect 6800 Firmwareversion=0 <=*
Qualcomm · WSA8832 Firmwareversion=0 <=*
Qualcomm · SXR2130 Firmwareversion=0 <=*
Qualcomm · Snapdragon X75 5G Modem-RF System Firmwareversion=0 <=*
Qualcomm · QCA6696 Firmwareversion=0 <=*
Qualcomm · QFW7114 Firmwareversion=0 <=*
Qualcomm · WSA8815 Firmwareversion=0 <=*

Published CVSS scores

7.5Qualcomm, Inc.CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-20Improper Input Validation
T1499.004Application or System Exploitation

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

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Your stack

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