What’s Vulnerable › Vulnerabilities

CVE-2022-40520: Stack based buffer overflow in Core

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-01-09 · updated 2026-06-17
• Weakness: CWE-787

Description

Memory corruption due to stack-based buffer overflow in Core

Affected products

• Qualcomm Apq8064Au Firmware: all versions
• Qualcomm Apq8096Au Firmware: all versions
• Qualcomm Aqt1000 Firmware: all versions
• Qualcomm Ar8035 Firmware: all versions
• Qualcomm Csrb31024 Firmware: all versions
• Qualcomm Fsm10056 Firmware: all versions
• Qualcomm Mdm9150 Firmware: all versions
• Qualcomm Mdm9205 Firmware: all versions
• Qualcomm Mdm9640 Firmware: all versions
• Qualcomm Mdm9650 Firmware: all versions
• Qualcomm Msm8996Au Firmware: all versions
• Qualcomm Qam8295P Firmware: all versions
• Qualcomm Qca4004 Firmware: all versions
• Qualcomm Qca6174A Firmware: all versions
• Qualcomm Qca6310 Firmware: all versions
• Qualcomm Qca6320 Firmware: all versions
• Qualcomm Qca6335 Firmware: all versions
• Qualcomm Qca6390 Firmware: all versions
• Qualcomm Qca6391 Firmware: all versions
• Qualcomm Qca6420 Firmware: all versions
• Qualcomm Qca6421 Firmware: all versions
• Qualcomm Qca6426 Firmware: all versions
• Qualcomm Qca6430 Firmware: all versions
• Qualcomm Qca6431 Firmware: all versions
• Qualcomm Qca6436 Firmware: all versions
• Qualcomm Qca6564 Firmware: all versions
• Qualcomm Qca6564A Firmware: all versions
• Qualcomm Qca6564Au Firmware: all versions
• Qualcomm Qca6574 Firmware: all versions
• Qualcomm Qca6574A Firmware: all versions

References

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

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