{"id":"CVE-2020-25367","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-25367","generatedAt":"2026-10-27T21:18:45.934Z","title":"A command injection vulnerability was discovered in the HNAP1 protocol in D-Link DIR-823G devices with firmware V1.0.2B05.","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.","published":"2021-11-04T10:15:08.000Z","lastModified":"2026-07-09T00:17:02.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-78"],"affected":["dlink/dir-823g firmware"],"epss":{"score":0.08649,"percentile":0.95077,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (8.65%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://github.com/sek1th/iot/blob/master/dir823g_3.md","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.dlink.com/en/security-bulletin/","tags":["Not Applicable","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/sek1th/iot/blob/master/dir823g_3.md","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.dlink.com/en/security-bulletin/","tags":["Not Applicable","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-25367","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}