CVE-2019-13279 : Exploit Details and Defense Strategies
Learn about CVE-2019-13279 affecting TRENDnet TEW-827DRU routers. Discover the impact, technical details, and mitigation steps for this critical vulnerability.
The TRENDnet TEW-827DRU with firmware versions up to and including 2.04B03 is vulnerable to stack-based buffer overflows, allowing unauthorized code execution.
Understanding CVE-2019-13279
This CVE identifies a critical vulnerability in the TRENDnet TEW-827DRU router that can be exploited by attackers to execute arbitrary code.
What is CVE-2019-13279?
The vulnerability arises from stack-based buffer overflows in the device when processing user input during the setup wizard, potentially leading to unauthorized code execution.
The Impact of CVE-2019-13279
The exploit can be triggered by an unauthenticated user either locally or remotely if the remote administration feature is enabled, posing a significant security risk to affected devices.
Technical Details of CVE-2019-13279
The technical aspects of the vulnerability are crucial for understanding its implications and potential risks.
Vulnerability Description
The TRENDnet TEW-827DRU router with firmware up to 2.04B03 is susceptible to multiple stack-based buffer overflows during user input processing, enabling attackers to execute arbitrary code.
Affected Systems and Versions
- Product: TRENDnet TEW-827DRU
- Firmware Versions: Up to and including 2.04B03
Exploitation Mechanism
The vulnerability is exploited by injecting malicious code through user input during the setup wizard, allowing attackers to take control of the device.
Mitigation and Prevention
Protecting systems from CVE-2019-13279 requires immediate actions and long-term security measures.
Immediate Steps to Take
- Disable remote administration if not essential
- Monitor network traffic for any suspicious activities
- Apply security patches or firmware updates provided by the vendor
Long-Term Security Practices
- Regularly update firmware to patch known vulnerabilities
- Implement network segmentation to limit the impact of potential breaches
Patching and Updates
- Check the vendor's website for security advisories and updates
- Apply patches promptly to mitigate the risk of exploitation