CVE-2019-16412 : Vulnerability Insights and Analysis
Learn about CVE-2019-16412, a vulnerability in Tenda N301 wireless routers that allows attackers to crash the device by manipulating the wanMTU value. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
This CVE involves a vulnerability in Tenda N301 wireless routers that allows attackers to crash the device by manipulating the wanMTU value.
Understanding CVE-2019-16412
This vulnerability enables attackers to cause Tenda N301 wireless routers to crash by setting the wanMTU value to zero in goform/setSysTools.
What is CVE-2019-16412?
In goform/setSysTools on Tenda N301 wireless routers, attackers can trigger a device crash by setting the wanMTU value to zero. It is important to note that the prevention of this zero value is only enforced within the GUI.
The Impact of CVE-2019-16412
Attackers have the ability to cause Tenda N301 wireless routers to crash by setting the wanMTU value to zero in goform/setSysTools. The prevention of this zero value is only applied in the graphical user interface (GUI).
Technical Details of CVE-2019-16412
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The vulnerability allows attackers to crash Tenda N301 wireless routers by manipulating the wanMTU value.
Affected Systems and Versions
- Product: Tenda N301 wireless routers
- Vendor: Tenda
- Versions affected: Not specified
Exploitation Mechanism
Attackers exploit the vulnerability by setting the wanMTU value to zero in goform/setSysTools.
Mitigation and Prevention
Protecting systems from CVE-2019-16412 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply patches or updates provided by Tenda to address the vulnerability.
- Implement network segmentation to limit the impact of potential attacks.
Long-Term Security Practices
- Regularly monitor and update router firmware to ensure the latest security patches are in place.
- Conduct security assessments and penetration testing to identify and address vulnerabilities proactively.
Patching and Updates
- Tenda may release patches or updates to fix the vulnerability. Ensure timely installation of these updates to secure the router against potential attacks.