{"id":"CVE-2020-29557","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-29557","generatedAt":"2026-10-31T16:14:32.159Z","title":"D-Link DIR-825 R1 Devices Buffer Overflow Vulnerability","description":"An issue was discovered on D-Link DIR-825 R1 devices through 3.0.1 before 2020-11-20. A buffer overflow in the web interface allows attackers to achieve pre-authentication remote code execution.","published":"2021-01-29T20:15:13.000Z","lastModified":"2026-06-17T03:11:26.000Z","status":"Analyzed","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-119"],"affected":["dlink/dir-825 r1 firmware"],"epss":{"score":0.55747,"percentile":0.9904,"date":"2026-10-30","history":[{"date":"2026-10-24","score":0.55747,"percentile":0.99044}]},"kev":{"listed":true,"dateAdded":"2021-11-03","dueDate":"2022-05-03","knownRansomwareCampaignUse":"Unknown","notes":"Apply updates per vendor instructions.\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-29557"},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 3 May 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[],"references":[{"url":"https://shaqed.github.io/dlink/","tags":["Broken Link","Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.dlink.ru/ru/download2/5/19/2354/441/","tags":["Product"],"source":"cve@mitre.org"},{"url":"https://shaqed.github.io/dlink/","tags":["Broken Link","Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.dlink.ru/ru/download2/5/19/2354/441/","tags":["Product"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-29557","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-29557","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."}