CVE-2019-15530 : What You Need to Know
Discover the command injection vulnerability in D-Link DIR-823G devices with firmware V1.0.2B05. Learn about the impact, affected systems, exploitation, and mitigation steps for CVE-2019-15530.
A vulnerability has been found on D-Link DIR-823G devices running firmware version V1.0.2B05. The vulnerability involves a command injection in HNAP1, which can be exploited when authenticated, by using shell metacharacters in the LoginPassword parameter during login.
Understanding CVE-2019-15530
This CVE identifies a command injection vulnerability in D-Link DIR-823G devices.
What is CVE-2019-15530?
CVE-2019-15530 is a security vulnerability found in D-Link DIR-823G devices with firmware version V1.0.2B05. The flaw allows attackers to execute commands by inserting shell metacharacters in the LoginPassword field during authentication.
The Impact of CVE-2019-15530
The vulnerability can be exploited by authenticated users, potentially leading to unauthorized command execution and compromising the device's security.
Technical Details of CVE-2019-15530
This section provides more technical insights into the vulnerability.
Vulnerability Description
The issue involves a command injection in HNAP1 on D-Link DIR-823G devices, specifically in the LoginPassword parameter.
Affected Systems and Versions
- Product: D-Link DIR-823G
- Firmware Version: V1.0.2B05
Exploitation Mechanism
Attackers can exploit this vulnerability by inserting shell metacharacters in the LoginPassword field during the login process.
Mitigation and Prevention
Protecting systems from CVE-2019-15530 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update the firmware to the latest version provided by D-Link.
- Monitor network traffic for any suspicious activities.
- Restrict access to vulnerable devices.
Long-Term Security Practices
- Regularly update firmware and software to patch known vulnerabilities.
- Implement strong authentication mechanisms to prevent unauthorized access.
- Conduct security audits and penetration testing to identify and address potential weaknesses.
- Educate users on safe practices to mitigate security risks.
Patching and Updates
D-Link may release patches or updates to address CVE-2019-15530. Stay informed about security advisories and apply patches promptly.