VULNERABILITY INTELLIGENCE

CVE-2017-17537

CVSS score7.5 HIGH
EPSS probability1.75%
CISA KEVNot currently listed
Published2017-12-13
Last modified2026-09-16
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

Weakness classification

  • CWE-20: Improper Input Validation

Primary references