{"id":"CVE-2020-25367","aliases":["EUVD-2020-18054","GHSA-896v-rq93-x779"],"status":"published","title":"A command injection vulnerability was discovered in the HNAP1 protocol in D-Link DIR-823G devices...","description":"A command injection vulnerability was discovered in the HNAP1 protocol in D-Link DIR-823G devices with firmware V1.0.2B05. An attacker is able to execute arbitrary web scripts via shell metacharacters in the Captcha field to Login.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.08649,"percentile":0.9518,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-77","CWE-78"],"published":"2021-11-04T09:58:27Z","modified":"2026-07-09T00:17:01Z","products":[{"vendor":"dlink","product":"dir-823g_firmware"}],"references":[{"url":"https://www.dlink.com/en/security-bulletin/","tags":["x_refsource_MISC","x_transferred","Not Applicable","Vendor Advisory"]},{"url":"https://github.com/sek1th/iot/blob/master/dir823g_3.md","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-25367"},{"url":"http://d-link.com"},{"url":"https://www.dlink.com/en/security-bulletin"},{"url":"https://github.com/advisories/GHSA-896v-rq93-x779"}],"sources":{"cve":[{"id":"CVE-2020-25367","description":"A command injection vulnerability was discovered in the HNAP1 protocol in D-Link DIR-823G devices with firmware V1.0.2B05. An attacker is able to execute arbitrary web scripts via shell metacharacters in the Captcha field to Login.","status":"published","published":"2021-11-04T09:58:27Z","modified":"2026-07-09T00:11:08.217Z","updated_at":"2026-11-02T14:35:48.52216Z"}],"euvd":[{"id":"EUVD-2020-18054","description":"A command injection vulnerability was discovered in the HNAP1 protocol in D-Link DIR-823G devices with firmware V1.0.2B05. An attacker is able to execute arbitrary web scripts via shell metacharacters in the Captcha field to Login.","status":"published","published":"2021-11-04T09:58:27Z","modified":"2026-07-09T00:11:08Z","updated_at":"2026-11-02T18:20:09.583461Z"}],"ghsa":[{"id":"GHSA-896v-rq93-x779","title":"A command injection vulnerability was discovered in the HNAP1 protocol in D-Link DIR-823G devices...","description":"A command injection vulnerability was discovered in the HNAP1 protocol in D-Link DIR-823G devices with firmware V1.0.2B05. An attacker is able to execute arbitrary web scripts via shell metacharacters in the Captcha field to Login.","status":"published","published":"2022-05-24T19:19:47Z","modified":"2026-07-05T00:32:28Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-77","CWE-78"],"updated_at":"2026-11-02T15:09:14.897479Z"}],"nvd":[{"id":"CVE-2020-25367","description":"A command injection vulnerability was discovered in the HNAP1 protocol in D-Link DIR-823G devices with firmware V1.0.2B05. An attacker is able to execute arbitrary web scripts via shell metacharacters in the Captcha field to Login.","status":"published","published":"2021-11-04T10:15:07.673Z","modified":"2026-07-09T00:17:01.6Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:06:45.704484Z"}]}}