CVE-2017-18368 : Security Advisory and Response
Learn about CVE-2017-18368 affecting ZyXEL P660HN-T1A router by TrueOnline. Discover the command injection flaw allowing unauthorized access and how to mitigate it.
This CVE-2017-18368 article provides insights into a security flaw in the ZyXEL P660HN-T1A v1 TCLinux Fw $7.3.15.0 v001 / 3.40(ULM.0)b31 router, distributed by TrueOnline, allowing unauthorized access and command injection.
Understanding CVE-2017-18368
What is CVE-2017-18368?
The ZyXEL P660HN-T1A v1 TCLinux Fw $7.3.15.0 v001 / 3.40(ULM.0)b31 router has a vulnerability in its Remote System Log forwarding feature, enabling unauthorized access to the ViewLog.asp page.
The Impact of CVE-2017-18368
This vulnerability permits attackers to inject commands through the remote_host parameter, compromising the router's security.
Technical Details of CVE-2017-18368
Vulnerability Description
The flaw in the Remote System Log forwarding function of the ZyXEL router allows unauthenticated users to exploit the ViewLog.asp page through command injection.
Affected Systems and Versions
- Product: ZyXEL P660HN-T1A v1 TCLinux Fw $7.3.15.0 v001 / 3.40(ULM.0)b31 router
- Vendor: TrueOnline
- Version: Not applicable
Exploitation Mechanism
Attackers can gain unauthorized access to the router's ViewLog.asp page and execute commands by manipulating the remote_host parameter.
Mitigation and Prevention
Immediate Steps to Take
- Disable Remote System Log forwarding feature if not essential
- Implement strong, unique passwords for router access
- Regularly monitor router logs for suspicious activities
Long-Term Security Practices
- Keep router firmware up to date with the latest security patches
- Conduct regular security audits and penetration testing
Patching and Updates
- Check the vendor's website for security advisories and patches
- Apply firmware updates promptly to address known vulnerabilities