What’s Vulnerable › Vulnerabilities

CVE-2022-40535: Buffer Over-read in WLAN

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-03-10 · updated 2026-06-17
• Weakness: CWE-126

Description

Transient DOS due to buffer over-read in WLAN while sending a packet to device.

Affected products

• Qualcomm Csr8811 Firmware: all versions
• Qualcomm Ipq8070A Firmware: all versions
• Qualcomm Ipq8071A Firmware: all versions
• Qualcomm Ipq8072A Firmware: all versions
• Qualcomm Ipq8074A Firmware: all versions
• Qualcomm Ipq8076 Firmware: all versions
• Qualcomm Ipq8076A Firmware: all versions
• Qualcomm Ipq8078 Firmware: all versions
• Qualcomm Ipq8078A Firmware: all versions
• Qualcomm Ipq8173 Firmware: all versions
• Qualcomm Ipq8174 Firmware: all versions
• Qualcomm Ipq9008 Firmware: all versions
• Qualcomm Ipq9574 Firmware: all versions
• Qualcomm Qca4024 Firmware: all versions
• Qualcomm Qca6390 Firmware: all versions
• Qualcomm Qca6391 Firmware: all versions
• Qualcomm Qca6421 Firmware: all versions
• Qualcomm Qca6426 Firmware: all versions
• Qualcomm Qca6431 Firmware: all versions
• Qualcomm Qca6436 Firmware: all versions
• Qualcomm Qca8081 Firmware: all versions
• Qualcomm Qca8082 Firmware: all versions
• Qualcomm Qca8084 Firmware: all versions
• Qualcomm Qca8085 Firmware: all versions
• Qualcomm Qca8386 Firmware: all versions
• Qualcomm Qca9888 Firmware: all versions
• Qualcomm Qca9889 Firmware: all versions
• Qualcomm Qcn5024 Firmware: all versions
• Qualcomm Qcn5124 Firmware: all versions
• Qualcomm Qcn5154 Firmware: all versions

References

• https://www.qualcomm.com/company/product-security/bulletins/march-2023-bulletin
• https://www.qualcomm.com/company/product-security/bulletins/march-2023-bulletin

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