Vulnerability Database

309,234

Total vulnerabilities in the database

CVE-2020-11881

An array index error in MikroTik RouterOS 6.41.3 through 6.46.5, and 7.x through 7.0 Beta5, allows an unauthenticated remote attacker to crash the SMB server via modified setup-request packets, aka SUP-12964.

  • Published: Sep 14, 2020
  • Updated: Nov 16, 2025
  • CVE: CVE-2020-11881
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2:

  • Severity: Medium
  • Score: 5
  • AV:N/AC:L/Au:N/C:N/I:N/A:P

CWEs:

Software From Fixed in
mikrotik / routeros 7.0-beta4 7.0-beta4.x
mikrotik / routeros 7.0-beta5 7.0-beta5.x
mikrotik / routeros 7.0-beta3 7.0-beta3.x
mikrotik / routeros 6.41.3 6.46.5.x