CVE-2018-10251 Explained : Impact and Mitigation

Sierra Wireless AirLink routers are vulnerable to remote code execution, allowing attackers to take full control of the system.

Understanding CVE-2018-10251

This CVE identifies a critical vulnerability in Sierra Wireless AirLink routers that could lead to unauthorized remote code execution.

What is CVE-2018-10251?

The vulnerability affects various Sierra Wireless AirLink router models before specific firmware versions, enabling unauthenticated remote attackers to execute arbitrary code and gain complete control over the targeted system.

The Impact of CVE-2018-10251

If exploited, this vulnerability allows attackers to issue commands with root privileges, potentially leading to severe consequences such as data theft, system manipulation, or disruption of services.

Technical Details of CVE-2018-10251

Sierra Wireless AirLink routers are susceptible to a critical security flaw that could result in unauthorized remote code execution.

Vulnerability Description

The vulnerability in Sierra Wireless AirLink routers, including models GX400, GX440, ES440, LS300, GX450, ES450, RV50, RV50X, MP70, and MP70E before specific firmware versions, allows unauthenticated remote attackers to execute arbitrary code and gain full control over the affected system.

Affected Systems and Versions

Vulnerable models: GX400, GX440, ES440, LS300, GX450, ES450, RV50, RV50X, MP70, MP70E
Affected firmware versions: Before 4.4.7 for GX400, GX440, ES440, LS300, and before 4.9.3 for GX450, ES450, RV50, RV50X, MP70, MP70E

Exploitation Mechanism

The vulnerability can be exploited by remote attackers who are not authenticated, allowing them to execute malicious code and gain unauthorized access to the system, including the ability to issue commands with root privileges.

Mitigation and Prevention

It is crucial to take immediate action to mitigate the risks associated with CVE-2018-10251.

Immediate Steps to Take

Update the firmware of affected Sierra Wireless AirLink routers to versions 4.4.7 or 4.9.3, depending on the model.
Implement network segmentation to limit the impact of potential attacks.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update firmware and security patches for all network devices.
Conduct security assessments and penetration testing to identify and address vulnerabilities proactively.

Patching and Updates

Stay informed about security advisories from Sierra Wireless and apply patches promptly to ensure the protection of your systems.