{"cve":"CVE-2021-30309","nvd":{"published":"2022-02-11T11:15:07.983","modified":"2026-06-17T03:50:06.863","status":"Modified","description":"Improper size validation of QXDM commands can lead to memory corruption in Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-120"],"references":["https://www.qualcomm.com/company/product-security/bulletins/february-2022-bulletin","https://www.qualcomm.com/company/product-security/bulletins/february-2022-bulletin"],"products":["qualcomm:mdm9650_firmware","qualcomm:qca6174a_firmware","qualcomm:qca6390_firmware","qualcomm:qca6391_firmware","qualcomm:qca9377_firmware","qualcomm:qcm6125_firmware","qualcomm:qcs410_firmware","qualcomm:qcs603_firmware","qualcomm:qcs605_firmware","qualcomm:qcs610_firmware","qualcomm:qcs6125_firmware","qualcomm:sd660_firmware","qualcomm:sd665_firmware","qualcomm:sd690_5g_firmware","qualcomm:sd730_firmware","qualcomm:sd765_firmware","qualcomm:sd765g_firmware","qualcomm:sd768g_firmware","qualcomm:sd865_5g_firmware","qualcomm:sd870_firmware","qualcomm:sdx12_firmware","qualcomm:sdx55m_firmware","qualcomm:sdxr1_firmware","qualcomm:sm7250p_firmware","qualcomm:wcd9326_firmware","qualcomm:wcd9335_firmware","qualcomm:wcd9341_firmware","qualcomm:wcd9370_firmware","qualcomm:wcd9375_firmware","qualcomm:wcd9380_firmware","qualcomm:wcd9385_firmware","qualcomm:wcn3950_firmware","qualcomm:wcn3980_firmware","qualcomm:wcn3988_firmware","qualcomm:wcn3990_firmware","qualcomm:wcn3991_firmware","qualcomm:wcn3998_firmware","qualcomm:wcn6850_firmware","qualcomm:wcn6851_firmware","qualcomm:wsa8810_firmware","qualcomm:wsa8815_firmware","qualcomm:wsa8830_firmware","qualcomm:wsa8835_firmware"],"source":"nvd","synced_at":"2026-10-19T21:28:04.509275555+00:00"},"epss":{"cve":"CVE-2021-30309","score":0.00145,"percentile":0.03774,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}