CVE-2018-14847

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.

Score

CVSS 3.1 9.1 Critical

Status

Analyzed - cve@mitre.org

Published

2018-08-02

Last modified

2025-10-21

Known exploited (CISA KEV)

since 2021-12-01, action due 2022-06-01: Apply updates per vendor instructions.

Weaknesses

CWE-22

Affected products

• Routeros (Mikrotik)

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://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-14847