CVE-2022-37130 : What You Need to Know
Learn about CVE-2022-37130, a command injection vulnerability in D-Link routers impacting specific firmware versions. Find out its impact, technical details, and mitigation steps.
This article provides detailed information about CVE-2022-37130, including its description, impact, technical details, and mitigation steps.
Understanding CVE-2022-37130
In D-Link routers, specifically in D-Link DIR-816 A2_v1.10CNB04 and DIR-878 DIR_878_FW1.30B08.img, a command injection vulnerability has been identified.
What is CVE-2022-37130?
CVE-2022-37130 is a command injection vulnerability that occurs in the /goform/Diagnosis endpoint in certain D-Link routers. This vulnerability allows an attacker to inject and execute arbitrary commands on the affected system.
The Impact of CVE-2022-37130
Exploitation of this vulnerability could lead to unauthorized access, data theft, network compromise, and possible disruption of services. It poses a significant risk to the security and integrity of the affected systems.
Technical Details of CVE-2022-37130
Vulnerability Description
The vulnerability arises due to improper input validation in the /goform/Diagnosis endpoint. When a specific condition is met, an attacker can manipulate the 'setnum' parameter, leading to command injection through the snprintf function.
Affected Systems and Versions
The vulnerability affects D-Link routers running the specific firmware versions mentioned: DIR-816 A2_v1.10CNB04 and DIR-878 DIR_878_FW1.30B08.img.
Exploitation Mechanism
By exploiting this vulnerability, an attacker can craft malicious inputs to the /goform/Diagnosis endpoint, allowing the injection and execution of unauthorized commands on the target system.
Mitigation and Prevention
Immediate Steps to Take
To mitigate the risk associated with CVE-2022-37130, it is crucial to apply security patches provided by D-Link. Additionally, users should restrict network access to the vulnerable endpoints and employ network security measures.
Long-Term Security Practices
Implementing network segmentation, regularly updating firmware, and conducting security audits can help enhance the overall security posture of the network.
Patching and Updates
Stay informed about security bulletins from D-Link and promptly apply relevant patches to address known vulnerabilities and ensure the security of D-Link routers.