CVE-2020-10883 : Security Advisory and Response

This vulnerability affects TP-Link Archer A7 routers, allowing local attackers to escalate privileges by exploiting a flaw in the file system permissions.

Understanding CVE-2020-10883

This CVE identifies a privilege escalation vulnerability in TP-Link Archer A7 routers.

What is CVE-2020-10883?

CVE-2020-10883 is a vulnerability that enables local attackers to elevate their privileges on TP-Link Archer A7 routers running Firmware Ver: 190726.

The Impact of CVE-2020-10883

The vulnerability has a CVSS base score of 5.3, indicating a medium severity issue with low confidentiality, integrity, and availability impacts.

Technical Details of CVE-2020-10883

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The flaw allows attackers to escalate privileges by exploiting inadequate file system permissions on affected routers.

Affected Systems and Versions

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

Exploitation Mechanism

To exploit this vulnerability, attackers must execute low-privileged code on the target system before escalating privileges through the file system.

Mitigation and Prevention

Protecting against CVE-2020-10883 requires immediate actions and long-term security practices.

Immediate Steps to Take

Monitor for any unauthorized system changes or activities.
Apply security patches and updates provided by TP-Link.

Long-Term Security Practices

Implement the principle of least privilege to restrict user access.
Regularly review and adjust file system permissions to prevent unauthorized escalations.

Patching and Updates

Stay informed about security advisories from TP-Link.
Apply firmware updates promptly to address known vulnerabilities.