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CVE-2018-14847
MikroTik RouterOS through 6.42 allows unauthenticated remote attackers to read arbitrary files and remote authenticated attackers to write…
Critical9.1Known exploitedEPSS 96.0%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Exploited in the wild
CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as MikroTik Router OS Directory Traversal Vulnerability.
- Added
- 1 Dec 2021
- Fix due (US federal)
- 1 Jun 2022
- Used by ransomware
- Not known
Apply updates per vendor instructions.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | Critical9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
| NVDNVD · Analyzed | 3.1 | Critical9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
- EPSS (exploitation in 30 days)
- 96.0% · top 0.1% of all CVEs (4 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: yes · Technical impact: total
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.1.
Weakness
Affected products
n/a
- affected n/a
References (9)
- 45578 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- https://github.com/BigNerd95/WinboxExploit (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/tenable/routeros/blob/master/bug_hunting_in_routeros_derbycon_2018.pdf (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/BasuCert/WinboxPoC (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/tenable/routeros/tree/master/poc/cve_2018_14847 (opens in a new tab)x_refsource_MISCx_transferred
- https://n0p.me/winbox-bug-dissection/ (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/tenable/routeros/tree/master/poc/bytheway (opens in a new tab)x_refsource_MISCx_transferred
- https://mikrotik.com/supportsec/winbox-vulnerability (opens in a new tab)
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-14847 (opens in a new tab)government-resource
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- CISA KEV catalog (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2018-14847)Record last updated .