CVE-2023-43137 : Vulnerability Insights and Analysis
Learn about CVE-2023-43137, a command injection vulnerability in TPLINK TL-ER5120G routers allowing remote attackers to execute arbitrary commands. Find mitigation steps here.
This article provides detailed information about CVE-2023-43137, a command injection vulnerability found in TPLINK TL-ER5120G routers.
Understanding CVE-2023-43137
CVE-2023-43137 is a security vulnerability identified in TPLINK TL-ER5120G 4.0 2.0.0 Build 210817 Rel.80868n routers. The vulnerability allows an attacker to execute arbitrary commands by manipulating the rule name parameter during ACL rules creation.
What is CVE-2023-43137?
The CVE-2023-43137 vulnerability exists in the TPLINK TL-ER5120G 4.0 2.0.0 Build 210817 Rel.80868n router firmware. When an attacker authenticates and adds ACL rules, they can inject malicious commands via the rule name parameter.
The Impact of CVE-2023-43137
This vulnerability can be exploited by remote attackers to execute arbitrary commands, compromising the security and integrity of the affected TPLINK routers.
Technical Details of CVE-2023-43137
CVE-2023-43137 allows remote attackers to inject malicious commands into the rule name parameter of ACL rules, resulting in command injection and potential unauthorized access.
Vulnerability Description
The vulnerability in TPLINK TL-ER5120G 4.0 2.0.0 Build 210817 Rel.80868n allows attackers to execute arbitrary commands through improper input validation in the rule name parameter.
Affected Systems and Versions
The affected product is the TPLINK TL-ER5120G 4.0 2.0.0 Build 210817 Rel.80868n router firmware.
Exploitation Mechanism
Attackers can exploit CVE-2023-43137 by authenticating to the router and adding ACL rules with malicious content in the rule name parameter.
Mitigation and Prevention
To protect against CVE-2023-43137, users and administrators are advised to take immediate action to secure their TPLINK TL-ER5120G routers.
Immediate Steps to Take
- Disable remote access to the router if not required.
- Monitor network traffic for any suspicious activity.
Long-Term Security Practices
- Regularly update router firmware to the latest version.
- Implement strong access control policies and user authentication measures.
Patching and Updates
TPLINK users should check for firmware updates from the vendor to address the CVE-2023-43137 vulnerability.