CVE-2022-40527Network attack vector

Service interruption via TQM peer assertion

Published Mar 7, 2023 · Updated Aug 3, 2024

Reachable assertion in Qualcomm Snapdragon WLAN firmware allows remote attackers to interrupt wireless service through network traffic. While processing a peer identifier populated by Traffic Queue Management, the WLAN code reaches an assertion rather than handling the value safely. No privileges or user interaction are required; the documented consequence is a transient service interruption, not data disclosure or modification.

CVSS severity7.5
High
EPSS probability0.41%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Reachable assertion in Qualcomm Snapdragon WLAN firmware allows remote attackers to interrupt wireless service through network traffic. While processing a peer identifier populated by Traffic Queue Management, the WLAN code reaches an assertion rather than handling the value safely. No privileges or user interaction are required; the documented consequence is a transient service interruption, not data disclosure or modification.

The record

CVE
CVE-2022-40527
Published
Mar 7, 2023
Updated
Aug 3, 2024
Vendor
Qualcomm
Product
QCN6102 Firmware
Classifications
CWE-617, T1499
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 7, 2023CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 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 · QCN6102 Firmwareversion=*
Qualcomm · Qualcomm SM7315 Firmwareversion=*
Qualcomm · QCN9074 Firmwareversion=*
Qualcomm · Snapdragon 865 5G Firmwareversion=*
Qualcomm · QCA8386 Firmwareversion=*
Qualcomm · QCA8072 Firmwareversion=*
Qualcomm · QCN9002 Firmwareversion=*
Qualcomm · IPQ6000 Firmwareversion=*
Qualcomm · PMP8074 Firmwareversion=*
Qualcomm · IPQ8078 Firmwareversion=*
Qualcomm · Qualcomm WCD9375 Firmwareversion=*
Qualcomm · QCN5052 Firmwareversion=*
Qualcomm · CSR8811 Firmwareversion=*
Qualcomm · QCA8084 Firmwareversion=*
Qualcomm · WSA8810 Firmwareversion=*
Qualcomm · QCN6122 Firmwareversion=*
Qualcomm · QCA8337 Firmwareversion=*
Qualcomm · IPQ6010 Firmwareversion=*
Qualcomm · Qualcomm QCA6426 Firmwareversion=*
Qualcomm · QCA8081 Firmwareversion=*
Qualcomm · Qualcomm Snapdragon 778G 5G Mobile Platform Firmwareversion=*
Qualcomm · IPQ8070A Firmwareversion=*
Qualcomm · QCN9001 Firmwareversion=*
Qualcomm · IPQ8078A Firmwareversion=*
Qualcomm · Qualcomm WCN7850 Firmwareversion=*
Qualcomm · Qualcomm WCN6855 Firmwareversion=*
Qualcomm · QCN5022 Firmwareversion=*
Qualcomm · IPQ5028 Firmwareversion=*
Qualcomm · Snapdragon X65 5G Modem-RF System Firmwareversion=*
Qualcomm · IPQ8174 Firmwareversion=*
Qualcomm · QCN9022 Firmwareversion=*
Qualcomm · IPQ6028 Firmwareversion=*
Qualcomm · QCN9274 Firmwareversion=*
Qualcomm · QCM6490 Firmwareversion=*
Qualcomm · Qualcomm SM7325P Firmwareversion=*
Qualcomm · Snapdragonversion=AR8035; version=CSR8811; version=IPQ5010; version=IPQ5018; version=IPQ5028; version=IPQ6000; version=IPQ6010; version=IPQ6018; version=IPQ6028; version=IPQ8070; version=IPQ8070A; version=IPQ8071A; version=IPQ8072A; version=IPQ8074A; version=IPQ8076; version=IPQ8076A; version=IPQ8078; version=IPQ8078A; version=IPQ8173; version=IPQ8174; version=IPQ9008; version=IPQ9574; version=PMP8074; version=QCA4024; version=QCA6390; version=QCA6391; version=QCA6426; version=QCA6436; version=QCA8072; version=QCA8075; version=QCA8081; version=QCA8082; version=QCA8084; version=QCA8085; version=QCA8337; version=QCA8386; version=QCA9888; version=QCA9889; version=QCM6490; version=QCN5021; version=QCN5022; version=QCN5024; version=QCN5052; version=QCN5054; version=QCN5122; version=QCN5124; version=QCN5152; version=QCN5154; version=QCN5164; version=QCN6023; version=QCN6024; version=QCN6100; version=QCN6102; version=QCN6112; version=QCN6122; version=QCN6132; version=QCN9000; version=QCN9001; version=QCN9002; version=QCN9003; version=QCN9012; version=QCN9022; version=QCN9024; version=QCN9070; version=QCN9072; version=QCN9074; version=QCN9100; version=QCN9274; version=QCS6490; version=SD778G; version=SD865 5G; version=SD870; version=SD888 5G; version=SD 8 Gen1 5G; version=SDX65; version=SDX65M; version=SM7315; version=SM7325P; version=SSG2115P; version=SSG2125P; version=SXR1230P; version=SXR2230P; version=WCD9370; version=WCD9375; version=WCD9380; version=WCD9385; version=WCN6740; version=WCN6750; version=WCN6850; version=WCN6851; version=WCN6855; version=WCN6856; version=WCN7850; version=WCN7851; version=WSA8810; version=WSA8815; version=WSA8830; version=WSA8832; version=WSA8835
Qualcomm · Qualcomm WCN6856 Firmwareversion=*
Qualcomm · QCN5021 Firmwareversion=*
Qualcomm · IPQ8071A Firmwareversion=*
Qualcomm · QCS6490 Firmwareversion=*
Qualcomm · SXR1230P Firmwareversion=*
Qualcomm · Snapdragon 888 5G Firmwareversion=*
Qualcomm · SSG2125P Firmwareversion=*
Qualcomm · WCD9370 Firmwareversion=*
Qualcomm · IPQ8076 Firmwareversion=*
Qualcomm · QCA9888 Firmwareversion=*
Qualcomm · SSG2115P Firmwareversion=*
Qualcomm · SD 8 Gen1 5G Firmwareversion=*
Qualcomm · IPQ8076A Firmwareversion=*
Qualcomm · IPQ6018 Firmwareversion=*
Qualcomm · Qualcomm QCA6436 Firmwareversion=*
Qualcomm · Qualcomm WCN7851 Firmwareversion=*
Qualcomm · QCN5054 Firmwareversion=*
Qualcomm · Qualcomm QCA6390 Firmwareversion=*
Qualcomm · QCN6112 Firmwareversion=*
Qualcomm · WCD9380 Firmwareversion=*
Qualcomm · Qualcomm WCN6740 Firmwareversion=*
Qualcomm · QCA8085 Firmwareversion=*
Qualcomm · Snapdragon X65M Firmwareversion=*
Qualcomm · QCN5152 Firmwareversion=*
Qualcomm · QCN9012 Firmwareversion=*
Qualcomm · QCN5024 Firmwareversion=*
Qualcomm · IPQ8173 Firmwareversion=*
Qualcomm · QCN6024 Firmwareversion=*
Qualcomm · QCN5164 Firmwareversion=*
Qualcomm · SXR2230P Firmwareversion=*
Qualcomm · IPQ9574 Firmwareversion=*
Qualcomm · QCN9070 Firmwareversion=*
Qualcomm · QCN6132 Firmwareversion=*
Qualcomm · IPQ8074A Firmwareversion=*
Qualcomm · QCA4024 Firmwareversion=*
Qualcomm · AR8035 Firmwareversion=*
Qualcomm · Qualcomm Snapdragon 870 5G Mobile Platform Firmwareversion=*
Qualcomm · QCN9100 Firmwareversion=*
Qualcomm · QCN9024 Firmwareversion=*
Qualcomm · Qualcomm IPQ8070 Firmwareversion=*
Qualcomm · QCN9003 Firmwareversion=*
Qualcomm · QCN6100 Firmwareversion=*
Qualcomm · Qualcomm WCN6750 Firmwareversion=*
Qualcomm · QCN9000 Firmwareversion=*
Qualcomm · QCN6023 Firmwareversion=*
Qualcomm · Qualcomm WCN6851 Firmwareversion=*
Qualcomm · IPQ5010 Firmwareversion=*
Qualcomm · WSA8830 Firmwareversion=*
Qualcomm · QCA6391 Firmwareversion=*
Qualcomm · IPQ5018 Firmwareversion=*
Qualcomm · WCD9385 Firmwareversion=*
Qualcomm · QCA8075 Firmwareversion=*
Qualcomm · Qualcomm WCN6850 Firmwareversion=*
Qualcomm · QCA8082 Firmwareversion=*
Qualcomm · WSA8835 Firmwareversion=*
Qualcomm · IPQ9008 Firmwareversion=*
Qualcomm · QCN5154 Firmwareversion=*
Qualcomm · IPQ8072A Firmwareversion=*
Qualcomm · WSA8832 Firmwareversion=*
Qualcomm · QCN5122 Firmwareversion=*
Qualcomm · WSA8815 Firmwareversion=*
Qualcomm · QCN5124 Firmwareversion=*
Qualcomm · QCN9072 Firmwareversion=*
Qualcomm · QCA9889 Firmwareversion=*

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 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-617Reachable Assertion
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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