{"id":"CVE-2016-6563","url":"https://www.cyber-defence.io/tools/cve/CVE-2016-6563","generatedAt":"2026-11-05T03:46:37.390Z","title":"Processing malformed SOAP messages when performing the HNAP Login action causes a buffer overflow in the stack in some D-Link DIR routers.","description":"Processing malformed SOAP messages when performing the HNAP Login action causes a buffer overflow in the stack in some D-Link DIR routers. The vulnerable XML fields within the SOAP body are: Action, Username, LoginPassword, and Captcha. The following products are affected: DIR-823, DIR-822, DIR-818L(W), DIR-895L, DIR-890L, DIR-885L, DIR-880L, DIR-868L, and DIR-850L.","published":"2018-07-13T20:29:01.000Z","lastModified":"2026-06-17T00:51:23.000Z","status":"Modified","sourceIdentifier":"cret@cert.org","cvss":{"version":"3.0","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-121","CWE-119"],"affected":["dlink/dir-823 firmware","dlink/dir-822 firmware","dlink/dir-818l\\(w\\) firmware","dlink/dir-895l firmware","dlink/dir-890l firmware","dlink/dir-885l firmware","dlink/dir-880l firmware","dlink/dir-868l firmware","dlink/dir-850l firmware"],"epss":{"score":0.79735,"percentile":0.99608,"date":"2026-11-04","history":[{"date":"2026-09-21","score":0.65168,"percentile":0.99245},{"date":"2026-09-22","score":0.79735,"percentile":0.99589}]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2016-11-21","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":40805,"kind":"exploit","title":"D-Link DIR-Series Routers - HNAP Login Stack Buffer Overflow (Metasploit)","url":"https://www.exploit-db.com/exploits/40805","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/multiple/remote/40805.rb","file":"exploits/multiple/remote/40805.rb","published":"2016-11-21","added":"2016-11-21","updated":"2017-11-16","author":"Metasploit","type":"remote","platform":"multiple","port":80,"verified":true,"codes":["CVE-2016-6563"],"tags":"Metasploit Framework (MSF)","aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://github.com/rapid7/metasploit-framework/blob/6c6221445cc3d016fdf8ed6a690b9dab043ec475/modules/exploits/linux/http/dlink_hnap_login_bof.rb"}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 79.7%, higher than 100% of all known CVEs. Patch or mitigate before the next change window."},"changes":[{"kind":"epss","label":"EPSS jump","at":"2026-09-22T00:00:00.000Z","detail":{"to":0.79735,"from":0.65168,"percentile":0.99589},"summary":"EPSS moved from 65.2% to 79.7% probability of exploitation in the next thirty days."}],"references":[{"url":"http://seclists.org/fulldisclosure/2016/Nov/38","tags":["Exploit","Mailing List","Third Party Advisory"],"source":"cret@cert.org"},{"url":"http://www.securityfocus.com/bid/94130","tags":["Third Party Advisory","VDB Entry"],"source":"cret@cert.org"},{"url":"https://www.exploit-db.com/exploits/40805/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"cret@cert.org"},{"url":"https://www.kb.cert.org/vuls/id/677427","tags":["Third Party Advisory","US Government Resource"],"source":"cret@cert.org"},{"url":"http://seclists.org/fulldisclosure/2016/Nov/38","tags":["Exploit","Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/94130","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/40805/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.kb.cert.org/vuls/id/677427","tags":["Third Party Advisory","US Government Resource"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2016-6563","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."}