{"id":"CVE-2018-1159","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-1159","generatedAt":"2026-10-28T21:30:51.326Z","title":"Mikrotik RouterOS before 6.42.7 and 6.40.9 is vulnerable to a memory corruption vulnerability.","description":"Mikrotik RouterOS before 6.42.7 and 6.40.9 is vulnerable to a memory corruption vulnerability. An authenticated remote attacker can crash the HTTP server by rapidly authenticating and disconnecting.","published":"2018-08-23T19:29:01.000Z","lastModified":"2026-06-17T01:50:37.000Z","status":"Modified","sourceIdentifier":"vulnreport@tenable.com","cvss":{"version":"3.0","score":6.5,"severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-119"],"affected":["mikrotik/routeros"],"epss":{"score":0.02483,"percentile":0.84506,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (2.48%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://mikrotik.com/download/changelogs","tags":["Vendor Advisory"],"source":"vulnreport@tenable.com"},{"url":"https://mikrotik.com/download/changelogs/bugfix-release-tree","tags":["Vendor Advisory"],"source":"vulnreport@tenable.com"},{"url":"https://www.tenable.com/security/research/tra-2018-21","tags":["Exploit","Third Party Advisory"],"source":"vulnreport@tenable.com"},{"url":"https://mikrotik.com/download/changelogs","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://mikrotik.com/download/changelogs/bugfix-release-tree","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.tenable.com/security/research/tra-2018-21","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-1159","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."}