CVE-2020-3645

Severity: high (CVSS 7.5 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: 2020-06-02 · updated 2026-06-17
Weakness: CWE-617

Description

Firmware will hit assert in WLAN firmware If encrypted data length in FILS IE of reassoc response is more than 528 bytes in Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking in IPQ6018, IPQ8074, Kamorta, Nicobar, QCA6390, QCA8081, QCN7605, QCS404, QCS405, QCS605, Rennell, SC7180, SC8180X, SDA845, SDM670, SDM710, SDM845, SDM850, SM6150, SM7150, SM8150, SXR1130, SXR2130

Affected products

Qualcomm Ipq6018 Firmware: all versions
Qualcomm Ipq8074 Firmware: all versions
Qualcomm Kamorta Firmware: all versions
Qualcomm Nicobar Firmware: all versions
Qualcomm Qca6390 Firmware: all versions
Qualcomm Qca8081 Firmware: all versions
Qualcomm Qcn7605 Firmware: all versions
Qualcomm Qcs404 Firmware: all versions
Qualcomm Qcs405 Firmware: all versions
Qualcomm Qcs605 Firmware: all versions
Qualcomm Rennell Firmware: all versions
Qualcomm Sc7180 Firmware: all versions
Qualcomm Sc8180X Firmware: all versions
Qualcomm Sda845 Firmware: all versions
Qualcomm Sdm670 Firmware: all versions
Qualcomm Sdm710 Firmware: all versions
Qualcomm Sdm845 Firmware: all versions
Qualcomm Sdm850 Firmware: all versions
Qualcomm Sm6150 Firmware: all versions
Qualcomm Sm7150 Firmware: all versions
Qualcomm Sm8150 Firmware: all versions
Qualcomm Sxr1130 Firmware: all versions
Qualcomm Sxr2130 Firmware: all versions

References

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

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