CVE-2018-14847
Exploited in the wild. In CISA KEV since 2021‑12‑01. A vendor fix is available.
What to do
The vendor has published a fix. Version details are below where the sources state them.
What it is
From the CVE record
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.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Listed as exploited in the wild since 2021-12-01.
US federal agencies must remediate by 2022-06-01.
Apply updates per vendor instructions.
- Public exploits
7 sources with a proof of concept or module.
Exploit links, PoCs and Metasploit modules after sign-in- EPSS
96% chance of exploitation activity in the next 30 days, which ranks it in the 99th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
The patch came 119 days before any public exploit.
- Analysis publishedMikroTik's Newest Router Bugs Were Found by an AI Model. Its Last Two KEV Listings Fueled the Mēris Botnet.
- OpenVAS check added
- Public exploit / PoCsource: github-poc
- Patch availableworkaround available, record updated
- Added to CISA KEV
- Publishedweakness classified, att&ck mapped
Affected products
And 2 more affected products. See all after sign-in
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Scored 9.1 by NVD.
How it is reached
- Attack Vector NetworkExploitable remotely over the network without any special conditions
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required NoneNo authentication required — anyone can exploit this
- User Interaction NoneNo user interaction needed — fully automated exploitation
Scope
- Scope UnchangedImpact is limited to the vulnerable component itself
Impact if exploited
- Confidentiality HighTotal information disclosure — all data in the component is compromised
- Integrity HighTotal loss of integrity — attacker can modify any data in the component
- Availability NoneNo availability impact
Weaknesses
ATT&CK techniques
Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.
Sources
References in the record
- nvd.nist.gov/vuln/detail/CVE-2018-14847
- xakep.ru/2018/09/05/mikrotik-still-under-attack/
- habr.com/company/kaspersky/blog/425701/
And 10 more references. See all after sign-in
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We'll flag the next CVE, public exploit or patch for RouterOS, not every advisory. This one: actively exploited.
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