CVE-2023-33538 : Security Advisory and Response
Learn about CVE-2023-33538, a command injection vulnerability in TP-Link TL-WR940N, TL-WR841N, and TL-WR740N routers. Find out the impact, affected systems, exploitation, and mitigation steps.
A command injection vulnerability was discovered in TP-Link TL-WR940N V2/V4, TL-WR841N V8/V10, and TL-WR740N V1/V2 through the component /userRpm/WlanNetworkRpm.
Understanding CVE-2023-33538
This CVE identifies a command injection vulnerability that affects specific TP-Link router models.
What is CVE-2023-33538?
CVE-2023-33538 is a security vulnerability found in TP-Link routers that allows attackers to execute arbitrary commands through a specific component.
The Impact of CVE-2023-33538
The vulnerability can be exploited by malicious actors to gain unauthorized access, control network traffic, or disrupt normal router operations.
Technical Details of CVE-2023-33538
The following technical details outline the vulnerability in more detail.
Vulnerability Description
The vulnerability exists in the component /userRpm/WlanNetworkRpm of affected TP-Link router models, allowing unauthorized command execution.
Affected Systems and Versions
TP-Link TL-WR940N V2/V4, TL-WR841N V8/V10, and TL-WR740N V1/V2 are confirmed to be impacted by this vulnerability.
Exploitation Mechanism
Attackers can exploit this vulnerability by injecting malicious commands via the vulnerable component to take control of the affected routers.
Mitigation and Prevention
To protect your system from CVE-2023-33538, consider implementing the following measures.
Immediate Steps to Take
- Disable remote access if not required
- Regularly monitor network activity for any suspicious behavior
Long-Term Security Practices
- Keep router firmware up to date
- Implement strong password policies and access controls
Patching and Updates
Contact TP-Link for firmware updates and security patches to address the vulnerability.