What’s Vulnerable › Vulnerabilities

CVE-2020-3703

• Severity: critical (CVSS 9.8 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: 2020-11-02 · updated 2026-06-17
• Weakness: CWE-20

Description

u'Buffer over-read issue in Bluetooth peripheral firmware due to lack of check for invalid opcode and length of opcode received from central device(This CVE is equivalent to Link Layer Length Overfow issue (CVE-2019-16336,CVE-2019-17519) and Silent Length Overflow issue(CVE-2019-17518) mentioned in sweyntooth paper)' in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music in APQ8053, APQ8076, AR9344, Bitra, Kamorta, MDM9206, MDM9207C, MDM9607, MSM8905, MSM8917, MSM8937, MSM8940, MSM8953, Nicobar, QCA6174A, QCA9377, QCM2150, QCM6125, QCS404, QCS405, QCS605, QCS610, QM215, Rennell, SC8180X, SDM429, SDM439, SDM450, SDM630, SDM632, SDM636, SDM660, SDM670, SDM710, SDM845, SDX20, SDX24, SM6150, SM7150, SM8150, SXR1130

Affected products

• Qualcomm Apq8053 Firmware: all versions
• Qualcomm Apq8076 Firmware: all versions
• Qualcomm Ar9344 Firmware: all versions
• Qualcomm Bitra Firmware: all versions
• Qualcomm Kamorta Firmware: all versions
• Qualcomm Mdm9206 Firmware: all versions
• Qualcomm Mdm9207C Firmware: all versions
• Qualcomm Mdm9607 Firmware: all versions
• Qualcomm Msm8905 Firmware: all versions
• Qualcomm Msm8917 Firmware: all versions
• Qualcomm Msm8937 Firmware: all versions
• Qualcomm Msm8940 Firmware: all versions
• Qualcomm Msm8953 Firmware: all versions
• Qualcomm Nicobar Firmware: all versions
• Qualcomm Qca6174A Firmware: all versions
• Qualcomm Qca9377 Firmware: all versions
• Qualcomm Qcm2150 Firmware: all versions
• Qualcomm Qcm6125 Firmware: all versions
• Qualcomm Qcs404 Firmware: all versions
• Qualcomm Qcs405 Firmware: all versions
• Qualcomm Qcs605 Firmware: all versions
• Qualcomm Qcs610 Firmware: all versions
• Qualcomm Qm215 Firmware: all versions
• Qualcomm Rennell Firmware: all versions
• Qualcomm Sc8180X Firmware: all versions
• Qualcomm Sdm429 Firmware: all versions
• Qualcomm Sdm439 Firmware: all versions
• Qualcomm Sdm450 Firmware: all versions
• Qualcomm Sdm630 Firmware: all versions
• Qualcomm Sdm632 Firmware: all versions

References

• https://www.qualcomm.com/company/product-security/bulletins/october-2020-bulletin
• https://www.qualcomm.com/company/product-security/bulletins/october-2020-security-bulletin
• https://www.qualcomm.com/company/product-security/bulletins/october-2020-bulletin

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