CVE-2019-13336 Explained : Impact and Mitigation
Learn about CVE-2019-13336, a vulnerability in the dbell Wi-Fi Smart Video Doorbell DB01-S Gen 1 allowing unauthorized access via TCP port 81. Find mitigation steps and long-term security practices here.
The dbell Wi-Fi Smart Video Doorbell DB01-S Gen 1 is vulnerable to unauthorized access due to a lack of authentication verification, allowing remote attackers to send commands through TCP port 81.
Understanding CVE-2019-13336
This CVE describes a security vulnerability in the dbell Wi-Fi Smart Video Doorbell DB01-S Gen 1 that enables unauthorized access by attackers.
What is CVE-2019-13336?
The vulnerability in the dbell Wi-Fi Smart Video Doorbell DB01-S Gen 1 allows remote attackers to execute commands without proper authentication verification via TCP port 81.
The Impact of CVE-2019-13336
The lack of authentication verification in the device's openlock.cgi function permits attackers to assign arbitrary values to parameters, leading to unauthorized access. The vendor has declared the product end-of-life since 2016.
Technical Details of CVE-2019-13336
This section provides more in-depth technical information about the vulnerability.
Vulnerability Description
The vulnerability arises from the lack of authentication verification in the openlock.cgi function, allowing unauthorized access through TCP port 81.
Affected Systems and Versions
- Product: dbell Wi-Fi Smart Video Doorbell DB01-S Gen 1
- Vendor: Not applicable
- Versions: Not applicable
Exploitation Mechanism
Attackers can exploit this vulnerability by assigning arbitrary values to the loginuse and loginpass parameters in the openlock.cgi function, enabling unauthorized access.
Mitigation and Prevention
Protecting against CVE-2019-13336 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Disable remote access to the device if not required.
- Implement strong, unique passwords for all accounts associated with the device.
- Regularly monitor and update the device firmware.
Long-Term Security Practices
- Conduct regular security assessments and penetration testing on the device.
- Keep abreast of security advisories and updates from the vendor.
Patching and Updates
- Apply patches and updates provided by the vendor to address the vulnerability and enhance device security.