CVE-2022-31898 : Security Advisory and Response

This article provides an overview of CVE-2022-31898, a command injection vulnerability found in gl-inet GL-MT300N-V2 Mango v3.212 and GL-AX1800 Flint v3.214 routers.

Understanding CVE-2022-31898

CVE-2022-31898 is a vulnerability that affects gl-inet GL-MT300N-V2 Mango v3.212 and GL-AX1800 Flint v3.214 routers, allowing attackers to execute commands via the ping_addr and trace_addr function parameters.

What is CVE-2022-31898?

CVE-2022-31898 is a command injection vulnerability that enables threat actors to run malicious commands on affected gl-inet routers, potentially leading to unauthorized access and control of the device.

The Impact of CVE-2022-31898

This vulnerability could result in unauthorized access to the router, data exfiltration, and the possibility of further network exploitation. Attackers could exploit this flaw to compromise the router and gain a foothold in the network.

Technical Details of CVE-2022-31898

The following details outline the technical aspects of CVE-2022-31898.

Vulnerability Description

CVE-2022-31898 allows malicious users to inject commands via the ping_addr and trace_addr parameters on vulnerable gl-inet routers, posing a significant security risk to affected devices.

Affected Systems and Versions

The vulnerability impacts gl-inet GL-MT300N-V2 Mango v3.212 and GL-AX1800 Flint v3.214 routers. Users of these specific router models and versions are advised to take immediate action to mitigate the risk.

Exploitation Mechanism

By sending specially crafted commands through the ping_addr and trace_addr functions, threat actors can exploit this vulnerability to gain unauthorized access and control over the router.

Mitigation and Prevention

To safeguard against CVE-2022-31898, users and organizations should implement the following security measures.

Immediate Steps to Take

Update the router firmware to the latest version provided by gl-inet to patch the vulnerability.
Restrict network access to the router and implement firewall rules to block unauthorized traffic.

Long-Term Security Practices

Regularly monitor router activity and network traffic for any suspicious behavior.
Enable strong authentication mechanisms and change default credentials to prevent unauthorized access.

Patching and Updates

Stay informed about security updates and patches released by gl-inet for your router model and promptly apply them to ensure protection against known vulnerabilities.