What’s Vulnerable › Vulnerabilities

CVE-2023-33042: Improper Input Validation in Modem

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-12-05 · updated 2026-06-17
• Weakness: CWE-20

Description

Transient DOS in Modem after RRC Setup message is received.

Affected products

• Qualcomm 315 5G Iot Modem Firmware: all versions
• 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 Qca6595Au Firmware: all versions
• Qualcomm Qca6696 Firmware: all versions
• Qualcomm Qca6698Aq 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 Qcs8550 Firmware: all versions
• Qualcomm Sd855 Firmware: all versions
• Qualcomm Sd865 5G Firmware: all versions
• Qualcomm Sd888 Firmware: all versions
• Qualcomm Sdx55 Firmware: all versions
• Qualcomm Sdx57M Firmware: all versions
• Qualcomm Sm4350-Ac Firmware: all versions
• Qualcomm Sm4350 Firmware: all versions
• Qualcomm Sm4375 Firmware: all versions
• Qualcomm Sm6350 Firmware: all versions
• Qualcomm Sm6375 Firmware: all versions
• Qualcomm Sm7225 Firmware: all versions

References

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

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