CVE-2023-33048Network attack vector

Remote chipset crash via T2LM buffer over-read

Published Nov 7, 2023 · Updated Aug 2, 2024

A buffer over-read in Qualcomm WLAN firmware allows remote attackers to crash affected wireless chipsets via crafted T2LM buffers. The closed-source T2LM parser reads beyond a supplied buffer boundary while processing untrusted wireless multi-link data; Qualcomm has not published the code-level locus. No authentication or user interaction is required, and successful exploitation causes a transient wireless-service interruption without reported data disclosure or modification.

CVSS severity7.5
High
EPSS probability0.43%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

A buffer over-read in Qualcomm WLAN firmware allows remote attackers to crash affected wireless chipsets via crafted T2LM buffers. The closed-source T2LM parser reads beyond a supplied buffer boundary while processing untrusted wireless multi-link data; Qualcomm has not published the code-level locus. No authentication or user interaction is required, and successful exploitation causes a transient wireless-service interruption without reported data disclosure or modification.

The record

CVE
CVE-2023-33048
Published
Nov 7, 2023
Updated
Aug 2, 2024
Vendor
Qualcomm
Product
QCN9074 Firmware
Classifications
CWE-126, CWE-125, T1499
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Nov 7, 2023CVE 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 vectornetwork
Required privilegesunauthenticated

What is affected?

Qualcomm · QCN9074 Firmwareversion=0 <=*
Qualcomm · Qualcomm SDX65M Firmwareversion=0 <=*
Qualcomm · QCA6698AQ Firmwareversion=0 <=*
Qualcomm · QCA8386 Firmwareversion=0 <=*
Qualcomm · QAM8255P Firmwareversion=0 <=*
Qualcomm · WCD9390 Firmwareversion=0 <=*
Qualcomm · IPQ6000 Firmwareversion=0 <=*
Qualcomm · Qualcomm QCA6595AU Firmwareversion=0 <=*
Qualcomm · Immersive Home 326 Platform Firmwareversion=0 <=*
Qualcomm · IPQ8078 Firmwareversion=0 <=*
Qualcomm · QCN6274 Firmwareversion=0 <=*
Qualcomm · QCN5052 Firmwareversion=0 <=*
Qualcomm · CSR8811 Firmwareversion=0 <=*
Qualcomm · Immersive Home 318 Platform Firmwareversion=0 <=*
Qualcomm · QCA8084 Firmwareversion=0 <=*
Qualcomm · Qualcomm SM8550P Firmwareversion=0 <=*
Qualcomm · QCN6122 Firmwareversion=0 <=*
Qualcomm · QCA8337 Firmwareversion=0 <=*
Qualcomm · IPQ6010 Firmwareversion=0 <=*
Qualcomm · Qualcomm QCA6797AQ Firmwareversion=0 <=*
Qualcomm · QCA8081 Firmwareversion=0 <=*
Qualcomm · QCF8000 Firmwareversion=0 <=*
Qualcomm · IPQ8070A Firmwareversion=0 <=*
Qualcomm · FastConnect 7800 Firmwareversion=0 <=*
Qualcomm · Qualcomm QCA6595 Firmwareversion=0 <=*
Qualcomm · QCN9013 Firmwareversion=0 <=*
Qualcomm · SC8380XP Firmwareversion=0 <=*
Qualcomm · IPQ8078A Firmwareversion=0 <=*
Qualcomm · QAM8650P Firmwareversion=0 <=*
Qualcomm · QCN5022 Firmwareversion=0 <=*
Qualcomm · IPQ5028 Firmwareversion=0 <=*
Qualcomm · Snapdragon X65 5G Modem-RF System Firmwareversion=0 <=*
Qualcomm · IPQ8174 Firmwareversion=0 <=*
Qualcomm · QCN9022 Firmwareversion=0 <=*
Qualcomm · IPQ6028 Firmwareversion=0 <=*
Qualcomm · QCN9274 Firmwareversion=0 <=*
Qualcomm · Snapdragonversion=AR8035; version=CSR8811; version=FastConnect 6900; version=FastConnect 7800; version=Immersive Home 214 Platform; version=Immersive Home 216 Platform; version=Immersive Home 316 Platform; version=Immersive Home 318 Platform; version=Immersive Home 3210 Platform; version=Immersive Home 326 Platform; version=IPQ5010; version=IPQ5028; version=IPQ5332; version=IPQ6000; version=IPQ6010; version=IPQ6018; version=IPQ6028; version=IPQ8070A; version=IPQ8071A; version=IPQ8072A; version=IPQ8074A; version=IPQ8076; version=IPQ8076A; version=IPQ8078; version=IPQ8078A; version=IPQ8173; version=IPQ8174; version=IPQ9008; version=IPQ9554; version=IPQ9570; version=IPQ9574; version=QAM8255P; version=QAM8650P; version=QAM8775P; version=QCA0000; version=QCA4024; version=QCA6554A; version=QCA6564AU; version=QCA6574; version=QCA6574A; version=QCA6574AU; version=QCA6584AU; version=QCA6595; version=QCA6595AU; version=QCA6696; version=QCA6698AQ; version=QCA6797AQ; version=QCA8075; version=QCA8081; version=QCA8082; version=QCA8084; version=QCA8085; version=QCA8337; version=QCA8386; version=QCA9888; version=QCA9889; version=QCC2073; version=QCC2076; version=QCC710; version=QCF8000; version=QCF8001; version=QCM8550; version=QCN5022; version=QCN5024; version=QCN5052; version=QCN5122; version=QCN5124; version=QCN5152; version=QCN5154; version=QCN5164; version=QCN6023; version=QCN6024; version=QCN6112; version=QCN6122; version=QCN6132; version=QCN6224; version=QCN6274; version=QCN9000; version=QCN9012; version=QCN9013; version=QCN9022; version=QCN9024; version=QCN9070; version=QCN9072; version=QCN9074; version=QCN9100; version=QCN9274; version=QFW7114; version=QFW7124; version=SC8380XP; version=SDX55; version=SDX65M; version=SM8550P; version=Snapdragon 8 Gen 2 Mobile Platform; version=Snapdragon 8+ Gen 2 Mobile Platform; version=Snapdragon AR2 Gen 1 Platform; version=Snapdragon X65 5G Modem-RF System; version=Snapdragon X75 5G Modem-RF System; version=SSG2115P; version=SSG2125P; version=SXR1230P; version=SXR2230P; version=WCD9340; version=WCD9380; version=WCD9385; version=WCD9390; version=WCD9395; version=WSA8830; version=WSA8832; version=WSA8835; version=WSA8840; version=WSA8845; version=WSA8845H
Qualcomm · QCC2076 Firmwareversion=0 <=*
Qualcomm · WSA8845H Firmwareversion=0 <=*
Qualcomm · IPQ8071A Firmwareversion=0 <=*
Qualcomm · SXR1230P Firmwareversion=0 <=*
Qualcomm · IPQ9570 Firmwareversion=0 <=*
Qualcomm · FastConnect 6900 Firmwareversion=0 <=*
Qualcomm · SSG2125P Firmwareversion=0 <=*
Qualcomm · QCA6554A Firmwareversion=0 <=*
Qualcomm · QCM8550 Firmwareversion=0 <=*
Qualcomm · IPQ8076 Firmwareversion=0 <=*
Qualcomm · QCA9888 Firmwareversion=0 <=*
Qualcomm · SSG2115P Firmwareversion=0 <=*
Qualcomm · WSA8845 Firmwareversion=0 <=*
Qualcomm · QFW7124 Firmwareversion=0 <=*
Qualcomm · IPQ8076A Firmwareversion=0 <=*
Qualcomm · QCN6224 Firmwareversion=0 <=*
Qualcomm · Immersive Home 214 Platform Firmwareversion=0 <=*
Qualcomm · IPQ6018 Firmwareversion=0 <=*
Qualcomm · Snapdragon 8 Gen 2 Mobile Platform Firmwareversion=0 <=*
Qualcomm · Qualcomm QCA6564AU Firmwareversion=0 <=*
Qualcomm · QCF8001 Firmwareversion=0 <=*
Qualcomm · WCD9395 Firmwareversion=0 <=*
Qualcomm · QCA6574AU Firmwareversion=0 <=*
Qualcomm · Immersive Home 316 Platform Firmwareversion=0 <=*
Qualcomm · QCA6584AU Firmwareversion=0 <=*
Qualcomm · QCN6112 Firmwareversion=0 <=*
Qualcomm · WCD9380 Firmwareversion=0 <=*
Qualcomm · QCA8085 Firmwareversion=0 <=*
Qualcomm · Qualcomm QCA6574A Firmwareversion=0 <=*
Qualcomm · QCN5152 Firmwareversion=0 <=*
Qualcomm · QCN9012 Firmwareversion=0 <=*
Qualcomm · WSA8840 Firmwareversion=0 <=*
Qualcomm · QCN5024 Firmwareversion=0 <=*
Qualcomm · Qualcomm QCA6574 Firmwareversion=0 <=*
Qualcomm · IPQ8173 Firmwareversion=0 <=*
Qualcomm · QCN6024 Firmwareversion=0 <=*
Qualcomm · QCN5164 Firmwareversion=0 <=*
Qualcomm · SXR2230P Firmwareversion=0 <=*
Qualcomm · IPQ9574 Firmwareversion=0 <=*
Qualcomm · Qualcomm Snapdragon AR2 Gen 1 Platform Firmwareversion=0 <=*
Qualcomm · QCN9070 Firmwareversion=0 <=*
Qualcomm · QCN6132 Firmwareversion=0 <=*
Qualcomm · IPQ8074A Firmwareversion=0 <=*
Qualcomm · QCA4024 Firmwareversion=0 <=*
Qualcomm · AR8035 Firmwareversion=0 <=*
Qualcomm · Immersive Home 216 Platform Firmwareversion=0 <=*
Qualcomm · QCN9100 Firmwareversion=0 <=*
Qualcomm · QCN9024 Firmwareversion=0 <=*
Qualcomm · IPQ5332 Firmwareversion=0 <=*
Qualcomm · QCC710 Firmwareversion=0 <=*
Qualcomm · QAM8775P Firmwareversion=0 <=*
Qualcomm · QCN9000 Firmwareversion=0 <=*
Qualcomm · Qualcomm SDX55 Firmwareversion=0 <=*
Qualcomm · QCN6023 Firmwareversion=0 <=*
Qualcomm · IPQ5010 Firmwareversion=0 <=*
Qualcomm · QCA0000 Firmwareversion=0 <=*
Qualcomm · WSA8830 Firmwareversion=0 <=*
Qualcomm · WCD9385 Firmwareversion=0 <=*
Qualcomm · IPQ9554 Firmwareversion=0 <=*
Qualcomm · WCD9340 Firmwareversion=0 <=*
Qualcomm · QCA8075 Firmwareversion=0 <=*
Qualcomm · QCA8082 Firmwareversion=0 <=*
Qualcomm · WSA8835 Firmwareversion=0 <=*
Qualcomm · IPQ9008 Firmwareversion=0 <=*
Qualcomm · QCN5154 Firmwareversion=0 <=*
Qualcomm · IPQ8072A Firmwareversion=0 <=*
Qualcomm · WSA8832 Firmwareversion=0 <=*
Qualcomm · QCN5122 Firmwareversion=0 <=*
Qualcomm · Snapdragon X75 5G Modem-RF System Firmwareversion=0 <=*
Qualcomm · QCA6696 Firmwareversion=0 <=*
Qualcomm · QCC2073 Firmwareversion=0 <=*
Qualcomm · QFW7114 Firmwareversion=0 <=*
Qualcomm · Immersive Home 3210 Platform Firmwareversion=0 <=*
Qualcomm · QCN5124 Firmwareversion=0 <=*
Qualcomm · QCN9072 Firmwareversion=0 <=*
Qualcomm · QCA9889 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
7.5NIST NVDCVSS: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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-126Buffer Over-read
CWE-125Out-of-bounds Read
T1499Endpoint Denial of Service

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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