CVE-2018-14847
Critical 9.1 Exploited in the wild (KEV)
Confirmed active exploitation — CISA KEV catalog
- Name
- MikroTik Router OS Directory Traversal Vulnerability
- Added to catalog
- Remediation due date (US federal)
- Required action
- Apply updates per vendor instructions.
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.
Metrics
- CVSS 3.1
-
9.1 (CRITICAL)
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - EPSS — exploit probability
- 96% (percentile: 100) as of 1 November 2026
- CWE
- CWE-22
Affected products
mikrotik: routeros
References
- https://mikrotik.com/supportsec/winbox-vulnerability Vendor Advisory
- https://github.com/BasuCert/WinboxPoC ExploitMitigationThird Party Advisory
- https://github.com/BigNerd95/WinboxExploit ExploitMitigationThird Party Advisory
- https://github.com/tenable/routeros/blob/master/bug_hunting_in_routeros_derbyco… Broken LinkExploitThird Party Advisory
- https://github.com/tenable/routeros/tree/master/poc/bytheway ExploitThird Party Advisory
- https://github.com/tenable/routeros/tree/master/poc/cve_2018_14847 ExploitThird Party Advisory
- https://n0p.me/winbox-bug-dissection/ ExploitThird Party Advisory
- https://www.exploit-db.com/exploits/45578/ ExploitThird Party AdvisoryVDB Entry
- https://github.com/BasuCert/WinboxPoC ExploitMitigationThird Party Advisory
- https://github.com/BigNerd95/WinboxExploit ExploitMitigationThird Party Advisory