CVE-2020-10887 : Vulnerability Insights and Analysis

This vulnerability affects TP-Link Archer A7 routers with Firmware Ver: 190726, allowing a firewall bypass without authentication. Attackers can exploit this flaw to execute code as root.

Understanding CVE-2020-10887

This CVE identifies a critical vulnerability in TP-Link Archer A7 routers that can be exploited to bypass the firewall without requiring authentication.

What is CVE-2020-10887?

CVE-2020-10887 is a security vulnerability in TP-Link Archer A7 routers that allows attackers to bypass the firewall without the need for authentication. The flaw lies in the handling of IPv6 connections, specifically the lack of proper filtering of IPv6 SSH connections.

The Impact of CVE-2020-10887

The impact of this vulnerability is rated as high, with a CVSS base score of 8.1. It can lead to unauthorized access and execution of code with root privileges on affected devices.

Technical Details of CVE-2020-10887

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability in TP-Link Archer A7 routers with Firmware Ver: 190726 allows a firewall bypass due to improper handling of IPv6 SSH connections, enabling unauthorized code execution.

Affected Systems and Versions

Product: Archer A7
Vendor: TP-Link
Versions Affected: Firmware Ver: 190726

Exploitation Mechanism

The flaw can be exploited by leveraging the lack of proper filtering of IPv6 SSH connections, enabling attackers to bypass the firewall and execute code with root privileges.

Mitigation and Prevention

Protecting systems from CVE-2020-10887 requires immediate action and long-term security measures.

Immediate Steps to Take

Update the firmware of TP-Link Archer A7 routers to the latest version that addresses this vulnerability.
Implement network segmentation to limit the impact of potential attacks.

Long-Term Security Practices

Regularly monitor for security updates and patches from TP-Link.
Conduct security assessments and penetration testing to identify and address vulnerabilities proactively.

Patching and Updates

Apply patches provided by TP-Link promptly to mitigate the risk of exploitation and enhance the security of Archer A7 routers.