What’s Vulnerable › Vulnerabilities

CVE-2019-3943

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-04-10 · updated 2026-06-17
• Weakness: CWE-23

Description

MikroTik RouterOS versions Stable 6.43.12 and below, Long-term 6.42.12 and below, and Testing 6.44beta75 and below are vulnerable to an authenticated, remote directory traversal via the HTTP or Winbox interfaces. An authenticated, remote attack can use this vulnerability to read and write files outside of the sandbox directory (/rw/disk).

Affected products

• MikroTik RouterOS: through 6.42.12; through 6.43.12; 6.41-rc31, 6.41-rc32, 6.41-rc34, 6.41-rc37, 6.41-rc38, 6.41-rc44 (+67)

References

• https://www.tenable.com/security/research/tra-2019-16
• https://www.tenable.com/security/research/tra-2019-16

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