{"id":"CVE-2017-17537","aliases":["EUVD-2017-8697","GHSA-326c-f2r3-76jm"],"status":"published","title":"MikroTik RouterBOARD v6.39.2 and v6.40.5 allows an unauthenticated remote attacker to cause a...","description":"MikroTik RouterBOARD v6.39.2 and v6.40.5 allows an unauthenticated remote attacker to cause a denial of service by connecting to TCP port 53 and sending data that begins with many '\\0' characters, possibly related to DNS.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.0175,"percentile":0.78005,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2017-12-13T16:00:00Z","modified":"2026-09-16T21:31:31Z","products":[{"vendor":"mikrotik","product":"routerboard"}],"references":[{"url":"https://www.exploit-db.com/exploits/43200/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","Broken Link","Third Party Advisory","VDB Entry"]},{"url":"https://packetstorm.news/files/id/145382"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-17537"},{"url":"https://www.exploit-db.com/exploits/43200"},{"url":"https://github.com/advisories/GHSA-326c-f2r3-76jm"}],"sources":{"cve":[{"id":"CVE-2017-17537","description":"MikroTik RouterBOARD v6.39.2 and v6.40.5 allows an unauthenticated remote attacker to cause a denial of service by connecting to TCP port 53 and sending data that begins with many '\\0' characters, possibly related to DNS.","status":"published","published":"2017-12-13T16:00:00Z","modified":"2026-09-16T20:56:50.321Z","updated_at":"2026-11-02T14:33:18.248329Z"}],"euvd":[{"id":"EUVD-2017-8697","description":"MikroTik RouterBOARD v6.39.2 and v6.40.5 allows an unauthenticated remote attacker to cause a denial of service by connecting to TCP port 53 and sending data that begins with many '\\0' characters, possibly related to DNS.","status":"published","published":"2017-12-13T16:00:00Z","modified":"2026-09-16T20:56:50Z","updated_at":"2026-11-02T17:28:13.887234Z"}],"ghsa":[{"id":"GHSA-326c-f2r3-76jm","title":"MikroTik RouterBOARD v6.39.2 and v6.40.5 allows an unauthenticated remote attacker to cause a...","description":"MikroTik RouterBOARD v6.39.2 and v6.40.5 allows an unauthenticated remote attacker to cause a denial of service by connecting to TCP port 53 and sending data that begins with many '\\0' characters, possibly related to DNS.","status":"published","published":"2022-05-14T03:50:24Z","modified":"2026-09-16T21:31:31Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T15:12:02.095044Z"}],"nvd":[{"id":"CVE-2017-17537","description":"MikroTik RouterBOARD v6.39.2 and v6.40.5 allows an unauthenticated remote attacker to cause a denial of service by connecting to TCP port 53 and sending data that begins with many '\\0' characters, possibly related to DNS.","status":"published","published":"2017-12-13T16:29:00.363Z","modified":"2026-09-16T21:17:04.613Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:04:10.156892Z"}]}}