SB2018042420 - Authentication bypass in MikroTik RouterOS
Published: April 24, 2018 Updated: May 13, 2024
Security Bulletin ID
SB2018042420
Severity
Critical
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper authentication (CVE-ID: CVE-2018-14847)
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.
Remediation
Install update from vendor's website.