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Servers and applications

CVE-2019-3976

RouterOS 6.45.6 Stable, RouterOS 6.44.5 Long-term, and below are vulnerable to an arbitrary directory creation vulnerability via the upgrade package's name field. If an authenticated user installs a malicious package then a directory could be created and the developer shell could be enabled.

Severity
High 8.8
Published
29 Oct 2019
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
1.7% in the next 30 daysHigher than 77% of CVEs. EPSS by FIRST, 10 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
MikroTik RouterOSServers and applications · cpe:o:mikrotik:routeros
  • Every version up to 6.44.5
  • Every version up to 6.45.6

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2019-3976
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2019-3976