What’s Vulnerable › Vulnerabilities

CVE-2023-21656: Improper Input Validation in WLAN HOST

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-06-06 · updated 2026-06-17
• Weakness: CWE-20

Description

Memory corruption in WLAN HOST while receiving an WMI event from firmware.

Affected products

• Qualcomm Ar8035 Firmware: all versions
• Qualcomm Csra6620 Firmware: all versions
• Qualcomm Csra6640 Firmware: all versions
• Qualcomm Csrb31024 Firmware: all versions
• Qualcomm Qam8255P Firmware: all versions
• Qualcomm Qam8295P Firmware: all versions
• Qualcomm Qam8650P Firmware: all versions
• Qualcomm Qam8775P Firmware: all versions
• Qualcomm Qca6175A Firmware: all versions
• Qualcomm Qca6310 Firmware: all versions
• Qualcomm Qca6320 Firmware: all versions
• Qualcomm Qca6390 Firmware: all versions
• Qualcomm Qca6391 Firmware: all versions
• Qualcomm Qca6426 Firmware: all versions
• Qualcomm Qca6436 Firmware: all versions
• Qualcomm Qca6554A Firmware: all versions
• Qualcomm Qca6564Au Firmware: all versions
• Qualcomm Qca6574 Firmware: all versions
• Qualcomm Qca6574A Firmware: all versions
• Qualcomm Qca6574Au Firmware: all versions
• Qualcomm Qca6584Au Firmware: all versions
• Qualcomm Qca6595 Firmware: all versions
• Qualcomm Qca6595Au Firmware: all versions
• Qualcomm Qca6678Aq Firmware: all versions
• Qualcomm Qca6696 Firmware: all versions
• Qualcomm Qca6698Aq Firmware: all versions
• Qualcomm Qca6797Aq Firmware: all versions
• Qualcomm Qca8081 Firmware: all versions
• Qualcomm Qca8337 Firmware: all versions
• Qualcomm Qcc2073 Firmware: all versions

References

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

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