CVE-2017-18370 : What You Need to Know

The TrueOnline distributed ZyXEL P660HN-T1A v2 TCLinux Fw #7.3.37.6 router has a security flaw in its Remote System Log forwarding feature that allows command injection. This vulnerability can only be accessed by an authenticated user and is present in the logSet.asp page. Exploitation of the ServerIP parameter can be used to take advantage of this flaw. To gain authentication, the exploit of CVE-2017-18371 is necessary.

Understanding CVE-2017-18370

This CVE identifies a command injection vulnerability in the ZyXEL P660HN-T1A v2 TCLinux Fw #7.3.37.6 router distributed by TrueOnline.

What is CVE-2017-18370?

The vulnerability allows an authenticated user to inject commands through the Remote System Log forwarding feature, specifically in the logSet.asp page.

The Impact of CVE-2017-18370

An authenticated attacker can exploit this vulnerability to execute arbitrary commands on the affected router.

Technical Details of CVE-2017-18370

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability in the Remote System Log forwarding feature of the ZyXEL router allows for command injection by authenticated users.

Affected Systems and Versions

Product: ZyXEL P660HN-T1A v2 TCLinux Fw #7.3.37.6
Vendor: TrueOnline
Version: n/a

Exploitation Mechanism

The vulnerability can be exploited through the ServerIP parameter in the logSet.asp page.

Mitigation and Prevention

Protecting systems from this vulnerability is crucial.

Immediate Steps to Take

Ensure all users are authenticated properly to prevent unauthorized access.
Monitor and restrict access to the logSet.asp page.

Long-Term Security Practices

Regularly update router firmware to patch known vulnerabilities.
Implement network segmentation to limit the impact of potential breaches.

Patching and Updates

Check for firmware updates from the vendor to address this vulnerability.