CVE-2018-17532 : Vulnerability Insights and Analysis

Teltonika RUT9XX routers with firmware versions prior to 00.04.233 are vulnerable to OS command injection attacks, allowing unauthorized remote access with root privileges.

Understanding CVE-2018-17532

Teltonika RUT9XX routers are exposed to multiple unauthenticated OS command injection vulnerabilities.

What is CVE-2018-17532?

The CVE-2018-17532 vulnerability affects Teltonika RUT9XX routers running firmware versions before 00.04.233. The issue arises from inadequate sanitization of user input in autologin.cgi and hotspotlogin.cgi, enabling malicious actors to execute arbitrary commands remotely with root privileges.

The Impact of CVE-2018-17532

The vulnerability allows unauthorized attackers to gain remote access to affected routers and execute commands with elevated privileges, potentially leading to complete system compromise.

Technical Details of CVE-2018-17532

Teltonika RUT9XX routers are susceptible to OS command injection due to insufficient input validation.

Vulnerability Description

The flaw in autologin.cgi and hotspotlogin.cgi allows attackers to inject and execute arbitrary commands on the router remotely.

Affected Systems and Versions

Product: Teltonika RUT9XX routers
Vendor: Teltonika
Versions Affected: Firmware versions prior to 00.04.233

Exploitation Mechanism

Attackers exploit the lack of proper input sanitization in autologin.cgi and hotspotlogin.cgi to send malicious commands to the router, granting them unauthorized access with root privileges.

Mitigation and Prevention

Immediate action and long-term security practices are crucial to mitigate the CVE-2018-17532 vulnerability.

Immediate Steps to Take

Update the router firmware to version 00.04.233 or later to patch the vulnerability.
Restrict network access to the router to trusted sources only.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update router firmware to protect against known vulnerabilities.
Implement strong password policies and multi-factor authentication.
Conduct regular security audits and penetration testing to identify and address potential weaknesses.

Patching and Updates

Teltonika has released firmware version 00.04.233 to address the vulnerability. Ensure timely installation of this update to secure the router against OS command injection attacks.