{"cve":"CVE-2021-21744","nvd":{"published":"2021-10-20T16:15:08.160","modified":"2026-06-17T03:36:04.693","status":"Modified","description":"ZTE MF971R product has a configuration file control vulnerability. An attacker could use this vulnerability to modify the configuration parameters of the device, causing some security functions of the device to be disabled.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","score":7.5},"cwes":[],"references":["https://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1019764","https://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1019764"],"products":["zte:mf971r_firmware"],"source":"nvd","synced_at":"2026-10-19T21:24:39.218183596+00:00"},"epss":{"cve":"CVE-2021-21744","score":0.00825,"percentile":0.57405,"date":"2026-11-01"},"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."]}