All vulnerabilities

Servers and applications

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.

Severity
High 7.5
Published
14 Sept 2020
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
MikroTik RouterOSServers and applications · cpe:o:mikrotik:routeros
  • From 6.41.3 up to 6.46.5
  • Version 7.0-beta3
  • Version 7.0-beta4
  • Version 7.0-beta5

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-11881
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-11881