What’s Vulnerable › Vulnerabilities

CVE-2022-33256: Improper validation of array index in Multi-mode call processor

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% 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-129

Description

Memory corruption due to improper validation of array index in Multi-mode call processor.

Affected products

• Qualcomm Ar8035 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 Qca6574A Firmware: all versions
• Qualcomm Qca6574Au Firmware: all versions
• Qualcomm Qca6595Au Firmware: all versions
• Qualcomm Qca6696 Firmware: all versions
• Qualcomm Qca8081 Firmware: all versions
• Qualcomm Qca8337 Firmware: all versions
• Qualcomm Qcm6490 Firmware: all versions
• Qualcomm Qcn6024 Firmware: all versions
• Qualcomm Qcn9024 Firmware: all versions
• Qualcomm Qcs6490 Firmware: all versions
• Qualcomm Qcx315 Firmware: all versions
• Qualcomm Sa515M Firmware: all versions
• Qualcomm Sd480 Firmware: all versions
• Qualcomm Sd690 5G Firmware: all versions
• Qualcomm Sd695 Firmware: all versions
• Qualcomm Sd750G Firmware: all versions
• Qualcomm Sd765 Firmware: all versions
• Qualcomm Sd765G Firmware: all versions
• Qualcomm Sd768G Firmware: all versions
• Qualcomm Sd778G Firmware: all versions
• Qualcomm Sd780G Firmware: all versions
• Qualcomm Sd855 Firmware: all versions
• Qualcomm Sd865 5G 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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