{"id":"CVE-2018-1157","aliases":["EUVD-2018-11795","GHSA-j4x4-m535-6jrw"],"status":"published","title":"Mikrotik RouterOS before 6.42.7 and 6.40.9 is vulnerable to a memory exhaustion vulnerability. An...","description":"Mikrotik RouterOS before 6.42.7 and 6.40.9 is vulnerable to a memory exhaustion vulnerability. An authenticated remote attacker can crash the HTTP server and in some circumstances reboot the system via a crafted HTTP POST request.","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":0.04375,"percentile":0.91343,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-400"],"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":"http://seclists.org/fulldisclosure/2019/Jul/20","tags":["mailing-list","x_refsource_FULLDISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-1157"},{"url":"https://github.com/advisories/GHSA-j4x4-m535-6jrw"}],"sources":{"cve":[{"id":"CVE-2018-1157","description":"Mikrotik RouterOS before 6.42.7 and 6.40.9 is vulnerable to a memory exhaustion vulnerability. An authenticated remote attacker can crash the HTTP server and in some circumstances reboot the system via a crafted HTTP POST request.","status":"published","published":"2018-08-23T19:00:00Z","modified":"2024-09-17T02:56:35.17Z","updated_at":"2026-11-02T14:35:09.139955Z"}],"euvd":[{"id":"EUVD-2018-11795","description":"Mikrotik RouterOS before 6.42.7 and 6.40.9 is vulnerable to a memory exhaustion vulnerability. An authenticated remote attacker can crash the HTTP server and in some circumstances reboot the system via a crafted HTTP POST request.","status":"published","published":"2018-08-23T19:00:00Z","modified":"2024-09-17T02:56:35Z","updated_at":"2026-11-03T00:28:35.984836Z"}],"ghsa":[{"id":"GHSA-j4x4-m535-6jrw","title":"Mikrotik RouterOS before 6.42.7 and 6.40.9 is vulnerable to a memory exhaustion vulnerability. An...","description":"Mikrotik RouterOS before 6.42.7 and 6.40.9 is vulnerable to a memory exhaustion vulnerability. An authenticated remote attacker can crash the HTTP server and in some circumstances reboot the system via a crafted HTTP POST request.","status":"published","published":"2022-05-14T00:55:56Z","modified":"2023-02-02T05:02:50Z","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-400"],"updated_at":"2026-11-02T14:51:31.346473Z"}],"nvd":[{"id":"CVE-2018-1157","description":"Mikrotik RouterOS before 6.42.7 and 6.40.9 is vulnerable to a memory exhaustion vulnerability. An authenticated remote attacker can crash the HTTP server and in some circumstances reboot the system via a crafted HTTP POST request.","status":"published","published":"2018-08-23T19:29:00.457Z","modified":"2026-06-17T01:50:36.327Z","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":6.8,"vector":"AV:N/AC:L/Au:S/C:N/I:N/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:04:36.842579Z"}]}}