#VU12140 Improper authentication in MikroTik RouterOS - CVE-2018-14847
Published: April 24, 2018 / Updated: May 13, 2024
Vulnerability identifier: #VU12140
Vulnerability risk: Critical
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red
CVE-ID: CVE-2018-14847
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerable software:
MikroTik RouterOS
MikroTik RouterOS
Software vendor:
MikroTik
MikroTik
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The weakness exists due to improper authentication in the exposed by default Winbox interface on port 8291/TCP. A remote attacker can send specially crafted packets to the affected service, bypass authentication, download local database with user accounts and gain full access to the vulnerable device.
Successful exploitation of the vulnerability may result in system compromise.
Note: this vulnerability has being exploited in the wild in April 2018.
The weakness exists due to improper authentication in the exposed by default Winbox interface on port 8291/TCP. A remote attacker can send specially crafted packets to the affected service, bypass authentication, download local database with user accounts and gain full access to the vulnerable device.
Successful exploitation of the vulnerability may result in system compromise.
Note: this vulnerability has being exploited in the wild in April 2018.
Remediation
Update to version 6.40.8 or 6.42.1.