{"id":"CVE-2018-14336","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-14336","generatedAt":"2026-10-29T00:58:11.696Z","title":"TP-Link WR840N devices allow remote attackers to cause a denial of service (connectivity loss) via a series of packets with random MAC addresses.","description":"TP-Link WR840N devices allow remote attackers to cause a denial of service (connectivity loss) via a series of packets with random MAC addresses.","published":"2018-07-19T20:29:00.000Z","lastModified":"2026-06-17T01:40:50.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":7.5,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-20"],"affected":["tp-link/wr840n"],"epss":{"score":0.08193,"percentile":0.94843,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.06875,"percentile":0.93837},{"date":"2026-09-22","score":0.08297,"percentile":0.94672}]},"kev":{"listed":false},"exploits":{"count":1,"verified":false,"firstPublished":"2018-07-20","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":45064,"kind":"exploit","title":"TP-Link TL-WR840N - Denial of Service","url":"https://www.exploit-db.com/exploits/45064","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/hardware/dos/45064.txt","file":"exploits/hardware/dos/45064.txt","published":"2018-07-20","added":"2018-07-20","updated":"2018-07-20","author":"Aniket Dinda","type":"dos","platform":"hardware","port":null,"verified":false,"codes":["CVE-2018-14336"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"A public exploit is published in Exploit-DB and the impact is high, while EPSS rates exploitation at 8.2%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use."},"changes":[],"references":[{"url":"https://hackingvila.wordpress.com/2018/07/17/cve-2018-14336-tp-link-wireless-n-router-wr840n-vulnerability/","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.exploit-db.com/exploits/45064/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://hackingvila.wordpress.com/2018/07/17/cve-2018-14336-tp-link-wireless-n-router-wr840n-vulnerability/","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/45064/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-14336","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."}