What’s Vulnerable › Vulnerabilities

CVE-2018-14847: MikroTik Router OS Directory Traversal Vulnerability

• Severity: critical (CVSS 9.1 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2021-12-01
• EPSS: 96.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-08-02 · updated 2026-06-17
• Weakness: CWE-22

Description

MikroTik RouterOS through 6.42 allows unauthenticated remote attackers to read arbitrary files and remote authenticated attackers to write arbitrary files due to a directory traversal vulnerability in the WinBox interface.

Affected products

• MikroTik RouterOS: through 6.42

References

• https://github.com/BasuCert/WinboxPoC
• https://github.com/BigNerd95/WinboxExploit
• https://github.com/tenable/routeros/blob/master/bug_hunting_in_routeros_derbycon_2018.pdf
• https://github.com/tenable/routeros/tree/master/poc/bytheway
• https://github.com/tenable/routeros/tree/master/poc/cve_2018_14847
• https://mikrotik.com/supportsec/winbox-vulnerability
• https://n0p.me/winbox-bug-dissection/
• https://www.exploit-db.com/exploits/45578/
• https://github.com/BasuCert/WinboxPoC
• https://github.com/BigNerd95/WinboxExploit
• https://github.com/tenable/routeros/blob/master/bug_hunting_in_routeros_derbycon_2018.pdf
• https://github.com/tenable/routeros/tree/master/poc/bytheway

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