CVE-2018-14847
mikrotik routeros
Published 2 Aug 2018 · updated 17 Jun 2026 · Analyzed
9.1 Critical · CVSS 3.1, NVD
Exploited in the wild
CISA added this to its Known Exploited Vulnerabilities catalog on 1 Dec 2021, with a remediation deadline of 1 Jun 2022 for US federal agencies.
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.
References
- github.com/BasuCert/WinboxPoC · Exploit, Mitigation, Third Party Advisory
- github.com/BigNerd95/WinboxExploit · Exploit, Mitigation, Third Party Advisory
- github.com/tenable/routeros/blob/master/bug_hunting_in_routeros_derbycon_2018.pdf · Broken Link, Exploit, Third Party Advisory
- github.com/tenable/routeros/tree/master/poc/bytheway · Exploit, Third Party Advisory
- github.com/tenable/routeros/tree/master/poc/cve_2018_14847 · Exploit, Third Party Advisory
- mikrotik.com/supportsec/winbox-vulnerability · Vendor Advisory
- n0p.me/winbox-bug-dissection/ · Exploit, Third Party Advisory
- www.exploit-db.com/exploits/45578/ · Exploit, Third Party Advisory, VDB Entry
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-14847 · US Government Resource