CVE-2018-14847
MikroTik RouterOS: Router OS Directory Traversal
As of , CVE-2018-14847 in MikroTik RouterOS is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch this week.
- Exploited
- Yes: CISA listed it on 1 December 2021
- US federal deadline
- 1 June 2022182 days after CISA listed it. US federal civilian agencies must fix it by then.
- Used in ransomware campaigns
- Not known to CISA
- EPSS score
- 0.96Higher than 99% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
- EPSS when listed
- Not availableCISA listed it before 4 February 2022, where the EPSS files we read begin.
- Public exploit
- 1 Metasploit module and 1 Exploit-DB entry
- Fix
- No vendor link in CISA's entry
What CISA says to do
Apply updates per vendor instructions.
CISA's required action
What the flaw is
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.
CISA's 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.
The CVE record's description, from mitre
- CVE published
- 2 August 2018
- Assigned by
- mitre
- CVSS
- 9.1 Critical (CVSS 3.1, from CISA-ADP)
- CWE-22
- Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
- CISA SSVC, exploitation
- active
- CISA SSVC, automatable
- yes
- CISA SSVC, technical impact
- total
Timeline
- The CVE record was published.
- Exploit-DB published an exploit (EDB-ID 45578).
- CISA added it to its list of exploited vulnerabilities.
- The US federal deadline to fix it.
Public exploits
Facts from Metasploit's module list and Exploit-DB's index; we never copy exploit code.
- Metasploit: Mikrotik Winbox Arbitrary File Readauxiliary module, rank normal
- Exploit-DB: MicroTik RouterOS < 6.43rc3 - Remote RootEDB-ID 45578, 10 October 2018
RouterOS: other exploited entries
| Vulnerability | Product | Our group | Listed | Deadline | EPSS |
|---|---|---|---|---|---|
| CVE-2026-86060Improper Neutralization of Argument Delimiters in a Command | MikroTik RouterOS | Patch nowForensic triage required by CISA | 0.06 | ||
| CVE-2026-67279Improper Enforcement of Behavioral Workflow | MikroTik RouterOS | Patch nowListed in the last 14 days | 0.01 | ||
| CVE-2018-7445Stack-Based Buffer Overflow | MikroTik RouterOS | Patch this weekEPSS 0.61 | 0.61 | ||
| CVE-2026-67277Missing Authentication for Critical Function | MikroTik RouterOS | Patch soon | 0.02 |
Read further
- CVE recordcve.org
- NVD entrynvd.nist.gov
- CISA's catalogcisa.gov
- EPSS for this CVEapi.first.org