CVE-2018-10070

HIGH

MikroTik Router Firmware 6.41.4 - Unauthenticated Denial of Service via Malformed FTP Request

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2018-10070. PoCs published by FarazPajohan.

AI-analyzed exploit summary This exploit demonstrates a denial-of-service (DoS) vulnerability in MikroTik RouterOS by sending crafted FTP requests with multiple null characters, exhausting CPU and RAM resources. The router crashes and reboots after 10 minutes.

Description

A vulnerability in MikroTik Version 6.41.4 could allow an unauthenticated remote attacker to exhaust all available CPU and all available RAM by sending a crafted FTP request on port 21 that begins with many '\0' characters, preventing the affected router from accepting new FTP connections. The router will reboot after 10 minutes, logging a "router was rebooted without proper shutdown" message.

Exploits (1)

exploitdb WORKING POC
by FarazPajohan · textdoslinux
https://www.exploit-db.com/exploits/44450

This exploit demonstrates a denial-of-service (DoS) vulnerability in MikroTik RouterOS by sending crafted FTP requests with multiple null characters, exhausting CPU and RAM resources. The router crashes and reboots after 10 minutes.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: MikroTik RouterOS 6.41.4
No auth needed
Prerequisites: Network access to the target's FTP port (21) · A file named 'craft' containing the malicious payload
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2
Core References
Exploit, Third Party Advisory, VDB Entry x_refsource_misc
http://packetstormsecurity.com/files/147183/MikroTik-6.41.4-Denial-Of-Service.html
Exploit, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/44450/

Scores

CVSS v3 7.5
EPSS 0.1315
EPSS Percentile 95.9%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-400
Status published
Products (1)
mikrotik/router_firmware 6.41.4
Published Apr 16, 2018
Tracked Since Feb 18, 2026