{"id":"CVE-2018-1159","aliases":["EUVD-2018-11797","GHSA-838x-95mf-gv8m"],"status":"published","title":"Mikrotik RouterOS before 6.42.7 and 6.40.9 is vulnerable to a memory corruption vulnerability. An...","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.","severity":{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02483,"percentile":0.84701,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2018-08-23T19:00:00Z","modified":"2026-06-17T01:50:36Z","products":[{"vendor":"mikrotik","product":"routeros"}],"references":[{"url":"https://www.tenable.com/security/research/tra-2018-21","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://mikrotik.com/download/changelogs","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://mikrotik.com/download/changelogs/bugfix-release-tree","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-1159"},{"url":"https://github.com/advisories/GHSA-838x-95mf-gv8m"}],"sources":{"cve":[{"id":"CVE-2018-1159","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.","status":"published","published":"2018-08-23T19:00:00Z","modified":"2024-09-16T18:23:55.504Z","updated_at":"2026-11-02T14:35:08.701206Z"}],"euvd":[{"id":"EUVD-2018-11797","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.","status":"published","published":"2018-08-23T19:00:00Z","modified":"2024-09-16T18:23:55Z","updated_at":"2026-11-03T00:55:32.945265Z"}],"ghsa":[{"id":"GHSA-838x-95mf-gv8m","title":"Mikrotik RouterOS before 6.42.7 and 6.40.9 is vulnerable to a memory corruption vulnerability. An...","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.","status":"published","published":"2022-05-14T02:37:08Z","modified":"2023-02-02T05:06:11Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:52:15.564738Z"}],"nvd":[{"id":"CVE-2018-1159","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.","status":"published","published":"2018-08-23T19:29:00.69Z","modified":"2026-06-17T01:50:36.57Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:04:36.842579Z"}]}}