CVE-2018-14847

9.1 criticalKEVEPSS 96%

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.

Severity

CVSS 3.1

9.1 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS: 96% chance of exploitation in the next 30 days; higher than 99% of CVEs (scores of 2026-10-31)
CISA KEV: listed 2021-12-01, due 2022-06-01
CWE: CWE-22
Published: 2018-08-02
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

mikrotik:routeros

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

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