CVE-2019-5072 : Vulnerability Insights and Analysis
Learn about CVE-2019-5072, a high-severity command injection vulnerability in Tenda AC9 Router AC1200 Smart Dual-Band Gigabit WiFi Route. Find out the impact, affected systems, and mitigation steps.
A vulnerability in the Tenda AC9 Router AC1200 Smart Dual-Band Gigabit WiFi Route allows for command injection through the /goform/WanParameterSetting functionality. Attackers can exploit this issue by injecting commands into the DNS2 post parameters, potentially leading to arbitrary code execution.
Understanding CVE-2019-5072
This CVE involves a command injection vulnerability in the Tenda AC9 Router AC1200 Smart Dual-Band Gigabit WiFi Route.
What is CVE-2019-5072?
CVE-2019-5072 is a command injection vulnerability in the Tenda AC9 Router AC1200 Smart Dual-Band Gigabit WiFi Route that can be exploited through specially crafted HTTP POST requests.
The Impact of CVE-2019-5072
The vulnerability has a CVSS base score of 7.8, indicating a high severity level with significant impacts on confidentiality, integrity, and availability of the affected system.
Technical Details of CVE-2019-5072
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The vulnerability exists in the /goform/WanParameterSetting functionality of the Tenda AC9 Router, allowing attackers to execute arbitrary code by injecting commands into the DNS2 post parameters.
Affected Systems and Versions
- Product: Tenda AC9
- Versions: AC9V1.0 Firmware V15.03.05.16multiTRU, AC9V1.0 Firmware V15.03.05.14_EN
Exploitation Mechanism
By sending a specially crafted HTTP POST request with a command included, an attacker can trigger the vulnerability and potentially execute arbitrary code.
Mitigation and Prevention
Protecting systems from CVE-2019-5072 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security patches provided by the vendor promptly.
- Monitor network traffic for any suspicious activity.
- Restrict access to the vulnerable router from untrusted sources.
Long-Term Security Practices
- Regularly update firmware and software to patch known vulnerabilities.
- Implement network segmentation to limit the impact of potential attacks.
- Conduct regular security assessments and penetration testing to identify and address security weaknesses.
Patching and Updates
Ensure that the Tenda AC9 router is running the latest firmware version to mitigate the risk of exploitation.