{"id":"CVE-2020-3666","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-3666","generatedAt":"2026-10-27T22:31:33.256Z","title":"u'Out of bounds memory access during memory copy while processing Host command' in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon…","description":"u'Out of bounds memory access during memory copy while processing Host command' in Snapdragon Auto, 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 APQ8009, APQ8017, APQ8053, APQ8096AU, APQ8098, IPQ4019, IPQ6018, IPQ8064, IPQ8074, MDM9206, MDM9207C, MDM9607, MDM9640, MDM9650, MSM8996AU, MSM8998, QCA6174A, QCA6574, QCA6574AU, QCA6584AU, QCA8081, QCA9377, QCA9379, QCA9531, QCA9558, QCA9563, QCA9880, QCA9886, QCA9980, QCN5500, QCN5502, QCS404, QCS405, QCS605, SA6155P, SDA845, SDM630, SDM636, SDM660, SDM670, SDM710, SDM845, SDM850, SDX20, SDX24, SXR1130","published":"2020-09-08T10:15:16.000Z","lastModified":"2026-06-17T03:18:50.000Z","status":"Modified","sourceIdentifier":"product-security@qualcomm.com","cvss":{"version":"3.1","score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-787"],"affected":["qualcomm/apq8009 firmware","qualcomm/apq8017 firmware","qualcomm/apq8053 firmware","qualcomm/apq8096au firmware","qualcomm/apq8098 firmware","qualcomm/ipq4019 firmware","qualcomm/ipq6018 firmware","qualcomm/ipq8064 firmware","qualcomm/ipq8074 firmware","qualcomm/mdm9206 firmware","qualcomm/mdm9207c firmware","qualcomm/mdm9607 firmware","qualcomm/mdm9640 firmware","qualcomm/mdm9650 firmware","qualcomm/msm8996au firmware","qualcomm/msm8998 firmware","qualcomm/qca6174a firmware","qualcomm/qca6574 firmware","qualcomm/qca6574au firmware","qualcomm/qca6584au firmware","qualcomm/qca8081 firmware","qualcomm/qca9377 firmware","qualcomm/qca9379 firmware","qualcomm/qca9531 firmware","qualcomm/qca9558 firmware","qualcomm/qca9563 firmware","qualcomm/qca9880 firmware","qualcomm/qca9886 firmware","qualcomm/qca9980 firmware","qualcomm/qcn5500 firmware","qualcomm/qcn5502 firmware","qualcomm/qcs404 firmware","qualcomm/qcs405 firmware","qualcomm/qcs605 firmware","qualcomm/sa6155p firmware","qualcomm/sda845 firmware","qualcomm/sdm630 firmware","qualcomm/sdm636 firmware","qualcomm/sdm660 firmware","qualcomm/sdm670 firmware","qualcomm/sdm710 firmware","qualcomm/sdm845 firmware","qualcomm/sdm850 firmware","qualcomm/sdx20 firmware","qualcomm/sdx24 firmware","qualcomm/sxr1130 firmware"],"epss":{"score":0.00212,"percentile":0.1137,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.21%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://www.qualcomm.com/company/product-security/bulletins/august-2020-bulletin","tags":["Broken Link","Vendor Advisory"],"source":"product-security@qualcomm.com"},{"url":"https://www.qualcomm.com/company/product-security/bulletins/august-2020-bulletin","tags":["Broken Link","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-3666","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}