CVE-2022-33279Network attack vector

Firmware memory corruption via invalid WNM frame length

Published Feb 9, 2023 · Updated Aug 3, 2024

Stack-based buffer overflow in Qualcomm WLAN firmware allows remote attackers to corrupt memory through an invalid-length WNM frame. The proprietary WLAN handler uses the invalid frame length in a stack-buffer operation that writes beyond the buffer boundary. No authentication or user interaction is required, and successful exploitation corrupts WLAN firmware memory on an affected chipset.

CVSS severity9.8
Critical
EPSS probability0.45%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

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Summary

What happened

Stack-based buffer overflow in Qualcomm WLAN firmware allows remote attackers to corrupt memory through an invalid-length WNM frame. The proprietary WLAN handler uses the invalid frame length in a stack-buffer operation that writes beyond the buffer boundary. No authentication or user interaction is required, and successful exploitation corrupts WLAN firmware memory on an affected chipset.

The record

CVE
CVE-2022-33279
Published
Feb 9, 2023
Updated
Aug 3, 2024
Vendor
Qualcomm
Product
QCN6102 Firmware
Classifications
CWE-121, CWE-787
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 9, 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 · QCN9074 Firmwareversion=*
Qualcomm · Qualcomm QRB5165N Firmwareversion=*
Qualcomm · QCA8072 Firmwareversion=*
Qualcomm · IPQ6000 Firmwareversion=*
Qualcomm · IPQ8078 Firmwareversion=*
Qualcomm · QCN5052 Firmwareversion=*
Qualcomm · CSR8811 Firmwareversion=*
Qualcomm · QCN6122 Firmwareversion=*
Qualcomm · IPQ6010 Firmwareversion=*
Qualcomm · QCA8081 Firmwareversion=*
Qualcomm · IPQ8070A Firmwareversion=*
Qualcomm · QCA9994 Firmwareversion=*
Qualcomm · QCA9886 Firmwareversion=*
Qualcomm · QCA9898 Firmwareversion=*
Qualcomm · IPQ8078A Firmwareversion=*
Qualcomm · QCN5022 Firmwareversion=*
Qualcomm · IPQ5028 Firmwareversion=*
Qualcomm · IPQ8174 Firmwareversion=*
Qualcomm · QCN9022 Firmwareversion=*
Qualcomm · Qualcomm IPQ8068 Firmwareversion=*
Qualcomm · IPQ6028 Firmwareversion=*
Qualcomm · QCN9274 Firmwareversion=*
Qualcomm · Snapdragonversion=AR9380; version=CSR8811; version=IPQ4019; version=IPQ4028; version=IPQ4029; version=IPQ5010; version=IPQ5018; version=IPQ5028; version=IPQ6000; version=IPQ6010; version=IPQ6018; version=IPQ6028; version=IPQ8064; version=IPQ8065; version=IPQ8068; 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=QCA4024; version=QCA6391; version=QCA7500; version=QCA8072; version=QCA8075; version=QCA8081; version=QCA9880; version=QCA9886; version=QCA9888; version=QCA9889; version=QCA9898; version=QCA9980; version=QCA9984; version=QCA9985; version=QCA9990; version=QCA9992; version=QCA9994; 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=QCN9011; version=QCN9012; version=QCN9022; version=QCN9024; version=QCN9070; version=QCN9072; version=QCN9074; version=QCN9100; version=QCN9274; version=QRB5165; version=QRB5165M; version=QRB5165N; version=WCD9385
Qualcomm · QCA7500 Firmwareversion=*
Qualcomm · IPQ8071A Firmwareversion=*
Qualcomm · Qualcomm IPQ8065 Firmwareversion=*
Qualcomm · QCA9990 Firmwareversion=*
Qualcomm · IPQ8076 Firmwareversion=*
Qualcomm · QCA9888 Firmwareversion=*
Qualcomm · Qualcomm QRB5165M Firmwareversion=*
Qualcomm · IPQ8076A Firmwareversion=*
Qualcomm · IPQ6018 Firmwareversion=*
Qualcomm · Qualcomm IPQ4019 Firmwareversion=*
Qualcomm · Qualcomm IPQ4028 Firmwareversion=*
Qualcomm · AR9380 Firmwareversion=*
Qualcomm · QCN5054 Firmwareversion=*
Qualcomm · QCA9984 Firmwareversion=*
Qualcomm · QCN6112 Firmwareversion=*
Qualcomm · QCN5152 Firmwareversion=*
Qualcomm · QCN9012 Firmwareversion=*
Qualcomm · QCN5024 Firmwareversion=*
Qualcomm · Qualcomm QRB5165 Firmwareversion=*
Qualcomm · IPQ8173 Firmwareversion=*
Qualcomm · QCA9980 Firmwareversion=*
Qualcomm · QCA9880 Firmwareversion=*
Qualcomm · QCN6024 Firmwareversion=*
Qualcomm · QCN5164 Firmwareversion=*
Qualcomm · QCN9011 Firmwareversion=*
Qualcomm · IPQ9574 Firmwareversion=*
Qualcomm · QCN9070 Firmwareversion=*
Qualcomm · Qualcomm IPQ4029 Firmwareversion=*
Qualcomm · QCN6132 Firmwareversion=*
Qualcomm · IPQ8074A Firmwareversion=*
Qualcomm · QCA4024 Firmwareversion=*
Qualcomm · QCA9992 Firmwareversion=*
Qualcomm · QCN9100 Firmwareversion=*
Qualcomm · QCN9024 Firmwareversion=*
Qualcomm · QCN6100 Firmwareversion=*
Qualcomm · QCN9000 Firmwareversion=*
Qualcomm · QCN6023 Firmwareversion=*
Qualcomm · Qualcomm IPQ8064 Firmwareversion=*
Qualcomm · IPQ5010 Firmwareversion=*
Qualcomm · QCA6391 Firmwareversion=*
Qualcomm · IPQ5018 Firmwareversion=*
Qualcomm · QCA9985 Firmwareversion=*
Qualcomm · WCD9385 Firmwareversion=*
Qualcomm · QCA8075 Firmwareversion=*
Qualcomm · IPQ9008 Firmwareversion=*
Qualcomm · QCN5154 Firmwareversion=*
Qualcomm · IPQ8072A Firmwareversion=*
Qualcomm · QCN5122 Firmwareversion=*
Qualcomm · QCN5124 Firmwareversion=*
Qualcomm · QCN9072 Firmwareversion=*
Qualcomm · QCA9889 Firmwareversion=*

Published CVSS scores

9.8Qualcomm, Inc.CVSS:3.1/AV:N/AC:L/PR:N/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)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-121Stack-based Buffer Overflow
CWE-787Out-of-bounds Write

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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