CVE-2018-5770 : What You Need to Know
Discover the security vulnerability in Tenda AC15 devices with CVE-2018-5770. Learn about the impact, affected systems, exploitation mechanism, and mitigation steps to secure your devices.
A vulnerability was found in Tenda AC15 devices that allows an unauthenticated attacker to start a telnetd service on the device, potentially compromising security.
Understanding CVE-2018-5770
This CVE identifies a security issue in Tenda AC15 devices that enables unauthorized initiation of a telnetd service.
What is CVE-2018-5770?
The vulnerability in Tenda AC15 devices allows remote attackers without authentication to trigger the creation of a telnetd service on the device, which could lead to unauthorized access.
The Impact of CVE-2018-5770
The presence of default root accounts on the device poses a significant security risk, potentially allowing malicious actors to exploit the telnetd service.
Technical Details of CVE-2018-5770
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The flaw in Tenda AC15 devices permits unauthenticated remote attackers to request /goform/telnet, which results in the activation of a telnetd service. Although the service is password-protected, the existence of default root accounts on the device can be exploited for unauthorized access.
Affected Systems and Versions
- Product: Tenda AC15
- Vendor: Tenda
- Versions: All versions are affected
Exploitation Mechanism
The vulnerability can be exploited by sending a request to /goform/telnet, triggering the creation of a telnetd service on the device, potentially granting unauthorized access.
Mitigation and Prevention
Protecting systems from CVE-2018-5770 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Disable telnet services on Tenda AC15 devices to prevent unauthorized access.
- Change default passwords and ensure strong, unique credentials are used.
Long-Term Security Practices
- Regularly update firmware and apply security patches provided by the vendor.
- Implement network segmentation and access controls to limit exposure to potential threats.
Patching and Updates
- Stay informed about security advisories and updates from Tenda to address vulnerabilities promptly.