What’s Vulnerable › Vulnerabilities

CVE-2023-21667: Buffer Over-read in Bluetooth HOST

• Severity: medium (CVSS 6.5 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: 2023-09-05 · updated 2026-06-17
• Weakness: CWE-126

Description

Transient DOS in Bluetooth HOST while passing descriptor to validate the blacklisted BT keyboard.

Affected products

• Qualcomm Qca6390 Firmware: all versions
• Qualcomm Qca6391 Firmware: all versions
• Qualcomm Qca6426 Firmware: all versions
• Qualcomm Qca6436 Firmware: all versions
• Qualcomm Qca6574Au Firmware: all versions
• Qualcomm Qca6595Au Firmware: all versions
• Qualcomm Qca6696 Firmware: all versions
• Qualcomm Qcc5100 Firmware: all versions
• Qualcomm Qcn9074 Firmware: all versions
• Qualcomm Qcs410 Firmware: all versions
• Qualcomm Qcs610 Firmware: all versions
• Qualcomm Sa6145P Firmware: all versions
• Qualcomm Sa6150P Firmware: all versions
• Qualcomm Sa6155P Firmware: all versions
• Qualcomm Sa8145P Firmware: all versions
• Qualcomm Sa8150P Firmware: all versions
• Qualcomm Sa8155P Firmware: all versions
• Qualcomm Sa8195P Firmware: all versions
• Qualcomm Sd865 5G Firmware: all versions
• Qualcomm Sd870 Firmware: all versions
• Qualcomm Sd 8 Gen1 5G Firmware: all versions
• Qualcomm Sdx55M Firmware: all versions
• Qualcomm Sdxr2 5G Firmware: all versions
• Qualcomm Sw5100 Firmware: all versions
• Qualcomm Sw5100P Firmware: all versions
• Qualcomm Wcd9341 Firmware: all versions
• Qualcomm Wcd9370 Firmware: all versions
• Qualcomm Wcd9380 Firmware: all versions
• Qualcomm Wcn3660B Firmware: all versions
• Qualcomm Wcn3680B Firmware: all versions

References

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

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