CVE-2020-12127 : Vulnerability Insights and Analysis
Learn about CVE-2020-12127, an information disclosure flaw in WAVLINK WN530H4 M30H4.V5030.190403 router, allowing unauthorized access to sensitive settings without authentication.
An information disclosure vulnerability in the /cgi-bin/ExportAllSettings.sh endpoint of the WAVLINK WN530H4 M30H4.V5030.190403 allows unauthorized access to sensitive router settings.
Understanding CVE-2020-12127
This CVE involves an information disclosure vulnerability in a specific endpoint of the WAVLINK WN530H4 router, potentially exposing critical information without authentication.
What is CVE-2020-12127?
This CVE identifies a flaw in the WAVLINK WN530H4 router that enables attackers to extract router settings, including login credentials and DNS configurations, without the need for authentication.
The Impact of CVE-2020-12127
The vulnerability poses a significant risk as it allows malicious actors to obtain sensitive information stored on the router, compromising user privacy and network security.
Technical Details of CVE-2020-12127
This section delves into the technical aspects of the vulnerability.
Vulnerability Description
The flaw resides in the /cgi-bin/ExportAllSettings.sh endpoint of the WAVLINK WN530H4 M30H4.V5030.190403, enabling unauthorized disclosure of router settings.
Affected Systems and Versions
- Product: WAVLINK WN530H4
- Version: M30H4.V5030.190403
Exploitation Mechanism
Attackers can exploit this vulnerability by sending crafted requests to the vulnerable endpoint, extracting sensitive information without the need for authentication.
Mitigation and Prevention
Protecting systems from CVE-2020-12127 requires immediate actions and long-term security measures.
Immediate Steps to Take
- Disable remote access to the router's configuration interfaces if not required.
- Regularly monitor router logs for any suspicious activities.
- Implement strong, unique passwords for router access.
Long-Term Security Practices
- Keep router firmware up to date to patch known vulnerabilities.
- Conduct regular security audits to identify and address potential weaknesses.
Patching and Updates
- Check for firmware updates provided by WAVLINK to address the vulnerability.