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Vulnerability record · CVE-2018-10070 · published 16 April 2018

CVE-2018-10070: Mikrotik router firmware uncontrolled resource consumption vulnerability

Mikrotik · Router Firmware

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.

7.5 CVSS 3.0 High EPSS 13% · top 3.9% CWE-400 · Uncontrolled resource consumption
7.5CVSS 3.0 base score, v2 7.8
13%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 4 tagged exploit
17 Jun 2026Last modified by NVD

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.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://packetstormsecurity.com/files/147183/MikroTik-6.41.4-Denial-Of-Service.html ExploitThird Party AdvisoryVDB Entry
https://www.exploit-db.com/exploits/44450/ ExploitThird Party AdvisoryVDB Entry
http://packetstormsecurity.com/files/147183/MikroTik-6.41.4-Denial-Of-Service.html ExploitThird Party AdvisoryVDB Entry
https://www.exploit-db.com/exploits/44450/ ExploitThird Party AdvisoryVDB Entry

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2018-10070), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.