What’s Vulnerable › Vulnerabilities

CVE-2019-3976

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-10-29 · updated 2026-06-17
• Weakness: CWE-23

Description

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.

Affected products

• MikroTik RouterOS: through 6.44.5; through 6.45.6

References

• https://www.tenable.com/security/research/tra-2019-46
• https://www.tenable.com/security/research/tra-2019-46

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