CVE-2018-14847
MikroTik RouterOS through 6.42 allows unauthenticated remote attackers to read arbitrary files and remote authenticated attackers to write…
- 9.1CriticalCVSS base score
- 96.0%Exploitation in 30 daysEPSS · top 0.1% of all CVEs
- YesKnown exploitedin CISA's KEV since 1 Dec 2021
- 2Public exploitsMetasploit, Nuclei and Exploit-DB
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.
ENISA's EU Vulnerability Database lists it as exploited, from CISA's KEV, since 1 Dec 2021.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list a Metasploit module and an Exploit-DB entry for it. A reference of the record is tagged as an exploit. CISA's SSVC rates its exploitation: it is being exploited.
Show the exploits3
Metasploit modules1 module
- Mikrotik Winbox Arbitrary File Read (Metasploit module) (opens in a new tab)
auxiliary/gather/mikrotik_winbox_filereadRank normaldisclosed 2 Aug 2018
Exploit-DB1 entry
- MicroTik RouterOS < 6.43rc3 - Remote Root (Exploit-DB entry) (opens in a new tab)
EDB-ID 45578remote, hardwarepublished 10 Oct 2018Not verified
References tagged exploit1 reference
- 45578 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By mitre
Published
- 3 years later
· 3 years later
Added to CISA KEV
Known exploited in the wild
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
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 (10 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: yes · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.1.
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)
- EUVD EUVD-2018-6729 (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://cveledger.app/cve/CVE-2018-14847)Record last updated .