{"id":"CVE-2018-1156","aliases":["EUVD-2018-11794","GHSA-m6gp-7pqc-8gc5"],"status":"published","title":"Mikrotik RouterOS before 6.42.7 and 6.40.9 is vulnerable to stack buffer overflow through the...","description":"Mikrotik RouterOS before 6.42.7 and 6.40.9 is vulnerable to stack buffer overflow through the license upgrade interface. This vulnerability could theoretically allow a remote authenticated attacker execute arbitrary code on the system.","severity":{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.07431,"percentile":0.94487,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-787"],"published":"2018-08-23T19:00:00Z","modified":"2026-06-17T01:50:36Z","exploits":[{"source":"pocgithub","id":"JonathanInfinity01/SOC-L1-OSINT-Investigation-MikroTik-CVE-2018-1156","title":"JonathanInfinity01/SOC-L1-OSINT-Investigation-MikroTik-CVE-2018-1156","date":"2026-06-13","url":"https://github.com/JonathanInfinity01/SOC-L1-OSINT-Investigation-MikroTik-CVE-2018-1156"}],"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-2018-1156"},{"url":"https://github.com/advisories/GHSA-m6gp-7pqc-8gc5"}],"sources":{"cve":[{"id":"CVE-2018-1156","description":"Mikrotik RouterOS before 6.42.7 and 6.40.9 is vulnerable to stack buffer overflow through the license upgrade interface. This vulnerability could theoretically allow a remote authenticated attacker execute arbitrary code on the system.","status":"published","published":"2018-08-23T19:00:00Z","modified":"2024-09-16T19:31:35.007Z","updated_at":"2026-11-02T14:35:09.139955Z"}],"euvd":[{"id":"EUVD-2018-11794","description":"Mikrotik RouterOS before 6.42.7 and 6.40.9 is vulnerable to stack buffer overflow through the license upgrade interface. This vulnerability could theoretically allow a remote authenticated attacker execute arbitrary code on the system.","status":"published","published":"2018-08-23T19:00:00Z","modified":"2024-09-16T19:31:35Z","updated_at":"2026-11-03T00:55:22.355392Z"}],"ghsa":[{"id":"GHSA-m6gp-7pqc-8gc5","title":"Mikrotik RouterOS before 6.42.7 and 6.40.9 is vulnerable to stack buffer overflow through the...","description":"Mikrotik RouterOS before 6.42.7 and 6.40.9 is vulnerable to stack buffer overflow through the license upgrade interface. This vulnerability could theoretically allow a remote authenticated attacker execute arbitrary code on the system.","status":"published","published":"2022-05-13T01:18:56Z","modified":"2023-02-01T05:05:53Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:50:17.420383Z"}],"nvd":[{"id":"CVE-2018-1156","description":"Mikrotik RouterOS before 6.42.7 and 6.40.9 is vulnerable to stack buffer overflow through the license upgrade interface. This vulnerability could theoretically allow a remote authenticated attacker execute arbitrary code on the system.","status":"published","published":"2018-08-23T19:29:00.347Z","modified":"2026-06-17T01:50:36.21Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":9,"vector":"AV:N/AC:L/Au:S/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:04:36.842579Z"}]}}