{"id":"CVE-2020-6879","aliases":["EUVD-2020-28021","GHSA-3jm3-wf93-rc5x"],"status":"published","title":"Some ZTE devices have input verification vulnerabilities. The devices support configuring a...","description":"Some ZTE devices have input verification vulnerabilities. The devices support configuring a static prefix through the web management page. The restriction of the front-end code can be bypassed by constructing a POST request message and sending the request to the creation of a static routing rule configuration interface. The WEB service backend fails to effectively verify the abnormal input. As a result, the attacker can successfully use the vulnerability to tamper parameter values. This affects: ZXHN Z500 V1.0.0.2B1.1000 and ZXHN F670L V1.1.10P1N2E. This is fixed in ZXHN Z500 V1.0.1.1B1.1000 and ZXHN F670L V1.1.10P2N2.","severity":{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00688,"percentile":0.53146,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2020-11-19T16:35:23Z","modified":"2026-06-17T03:23:58Z","products":[{"vendor":"zte","product":"zxhn_f670l_firmware"},{"vendor":"zte","product":"zxhn_z500_firmware"}],"references":[{"url":"http://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1013922","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-6879"},{"url":"https://github.com/advisories/GHSA-3jm3-wf93-rc5x"}],"sources":{"cve":[{"id":"CVE-2020-6879","description":"Some ZTE devices have input verification vulnerabilities. The devices support configuring a static prefix through the web management page. The restriction of the front-end code can be bypassed by constructing a POST request message and sending the request to the creation of a static routing rule configuration interface. The WEB service backend fails to effectively verify the abnormal input. As a result, the attacker can successfully use the vulnerability to tamper parameter values. This affects: ZXHN Z500 V1.0.0.2B1.1000 and ZXHN F670L V1.1.10P1N2E. This is fixed in ZXHN Z500 V1.0.1.1B1.1000 and ZXHN F670L V1.1.10P2N2.","status":"published","published":"2020-11-19T16:35:23Z","modified":"2024-08-04T09:11:05.146Z","updated_at":"2026-11-02T14:35:52.592504Z"}],"euvd":[{"id":"EUVD-2020-28021","description":"Some ZTE devices have input verification vulnerabilities. The devices support configuring a static prefix through the web management page. The restriction of the front-end code can be bypassed by constructing a POST request message and sending the request to the creation of a static routing rule configuration interface. The WEB service backend fails to effectively verify the abnormal input. As a result, the attacker can successfully use the vulnerability to tamper parameter values. This affects: ZXHN Z500 V1.0.0.2B1.1000 and ZXHN F670L V1.1.10P1N2E. This is fixed in ZXHN Z500 V1.0.1.1B1.1000 and ZXHN F670L V1.1.10P2N2.","status":"published","published":"2020-11-19T16:35:23Z","modified":"2024-08-04T09:11:05Z","updated_at":"2026-11-03T03:08:01.566283Z"}],"ghsa":[{"id":"GHSA-3jm3-wf93-rc5x","title":"Some ZTE devices have input verification vulnerabilities. The devices support configuring a...","description":"Some ZTE devices have input verification vulnerabilities. The devices support configuring a static prefix through the web management page. The restriction of the front-end code can be bypassed by constructing a POST request message and sending the request to the creation of a static routing rule configuration interface. The WEB service backend fails to effectively verify the abnormal input. As a result, the attacker can successfully use the vulnerability to tamper parameter values. This affects: ZXHN Z500 V1.0.0.2B1.1000 and ZXHN F670L V1.1.10P1N2E. This is fixed in ZXHN Z500 V1.0.1.1B1.1000 and ZXHN F670L V1.1.10P2N2.","status":"published","published":"2022-05-24T17:34:42Z","modified":"2023-01-29T05:04:32Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:45:34.663559Z"}],"nvd":[{"id":"CVE-2020-6879","description":"Some ZTE devices have input verification vulnerabilities. The devices support configuring a static prefix through the web management page. The restriction of the front-end code can be bypassed by constructing a POST request message and sending the request to the creation of a static routing rule configuration interface. The WEB service backend fails to effectively verify the abnormal input. As a result, the attacker can successfully use the vulnerability to tamper parameter values. This affects: ZXHN Z500 V1.0.0.2B1.1000 and ZXHN F670L V1.1.10P1N2E. This is fixed in ZXHN Z500 V1.0.1.1B1.1000 and ZXHN F670L V1.1.10P2N2.","status":"published","published":"2020-11-19T17:15:13.42Z","modified":"2026-06-17T03:23:58.037Z","cvss":[{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"low","assessor":"primary"},{"version":"2.0","score":2.7,"vector":"AV:A/AC:L/Au:S/C:N/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:06:25.394006Z"}]}}