CVE-2020-10882 : Vulnerability Insights and Analysis
Learn about CVE-2020-10882 affecting TP-Link Archer A7 routers. Discover how attackers can execute code without authentication, the impact, and mitigation steps.
This vulnerability affects TP-Link Archer A7 routers, allowing attackers to execute arbitrary code without authentication. The flaw exists in the tdpServer service, enabling code execution as the root user.
Understanding CVE-2020-10882
This CVE identifies a critical vulnerability in TP-Link Archer A7 routers that can be exploited by network-adjacent attackers to run arbitrary code.
What is CVE-2020-10882?
CVE-2020-10882 is a security vulnerability in TP-Link Archer A7 routers that permits attackers to execute code without authentication. The flaw lies in the tdpServer service, potentially leading to unauthorized code execution.
The Impact of CVE-2020-10882
The vulnerability poses a high risk, with a CVSS base score of 8.8, allowing attackers to compromise confidentiality, integrity, and availability of affected systems. The flaw can be exploited without user interaction.
Technical Details of CVE-2020-10882
This section delves into the technical aspects of the CVE.
Vulnerability Description
The vulnerability in TP-Link Archer A7 routers arises from improper validation of user-supplied input in the tdpServer service, enabling attackers to execute system calls with root privileges.
Affected Systems and Versions
- Product: TP-Link Archer A7
- Vendor: TP-Link
- Version: Firmware Ver: 190726
Exploitation Mechanism
The flaw allows attackers to execute arbitrary code by manipulating the slave_mac parameter without proper validation, leading to unauthorized system call execution.
Mitigation and Prevention
Protecting systems from CVE-2020-10882 requires immediate action and long-term security measures.
Immediate Steps to Take
- Disable remote management if not needed
- Implement network segmentation to limit exposure
- Monitor network traffic for suspicious activities
Long-Term Security Practices
- Regularly update firmware and security patches
- Conduct security assessments and penetration testing
- Educate users on safe browsing habits and security best practices
Patching and Updates
- Apply patches provided by TP-Link promptly
- Stay informed about security advisories and updates from the vendor