{"cve":"CVE-2019-3421","nvd":{"published":"2019-10-31T16:15:11.287","modified":"2026-06-17T02:35:08.050","status":"Modified","description":"The 7520V3V1.0.0B09P27 version, and all earlier versions of ZTE product ZX297520V3 are impacted by a Command Injection vulnerability. Unauthorized users can exploit this vulnerability to control the user terminal system.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":8.0},"cwes":["CWE-77"],"references":["http://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1011643","http://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1011643"],"products":["ztw:zx297520v3_firmware"],"source":"nvd","synced_at":"2026-10-19T20:59:25.448946135+00:00"},"epss":{"cve":"CVE-2019-3421","score":0.01138,"percentile":0.66576,"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."]}