What’s Vulnerable › Vulnerabilities

CVE-2023-21635: Buffer Copy without Checking Size of Input in Data Network Stack & Connectivity

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: 2023-07-04 · updated 2026-06-17
Weakness: CWE-120

Description

Memory Corruption in Data Network Stack & Connectivity when sim gets detected on telephony.

Affected products

Qualcomm Aqt1000 Firmware: all versions
Qualcomm Csrb31024 Firmware: all versions
Qualcomm Fastconnect 6200 Firmware: all versions
Qualcomm Fastconnect 6800 Firmware: all versions
Qualcomm Fastconnect 6900 Firmware: all versions
Qualcomm Qca6391 Firmware: all versions
Qualcomm Qca6420 Firmware: all versions
Qualcomm Qca6426 Firmware: all versions
Qualcomm Qca6430 Firmware: all versions
Qualcomm Qca6436 Firmware: all versions
Qualcomm Qca6564 Firmware: all versions
Qualcomm Qca6564Au Firmware: all versions
Qualcomm Qca6574A Firmware: all versions
Qualcomm Qca6574Au Firmware: all versions
Qualcomm Qca6595Au Firmware: all versions
Qualcomm Qca6696 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 Sd855 Firmware: all versions
Qualcomm Sd865 5G Firmware: all versions
Qualcomm Snapdragon 855+/860 Firmware: all versions
Qualcomm Snapdragon 855 Firmware: all versions
Qualcomm Snapdragon 865+ 5G Firmware: all versions
Qualcomm Snapdragon 865 5G Firmware: all versions
Qualcomm Snapdragon 870 5G Firmware: all versions

References

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