CVE-2018-16950 : What You Need to Know

Inteno DG400 WU7U_ELION3.11.6-170614_1328 devices are susceptible to a denial of service vulnerability that can be exploited remotely, leading to a loss of connectivity.

Understanding CVE-2018-16950

What is CVE-2018-16950?

The vulnerability in Inteno DG400 WU7U_ELION3.11.6-170614_1328 devices allows attackers to disrupt connectivity by sending packets with random MAC addresses.

The Impact of CVE-2018-16950

This vulnerability can result in a loss of service, affecting the availability of the device and potentially disrupting network operations.

Technical Details of CVE-2018-16950

Vulnerability Description

Attackers can exploit this vulnerability remotely by flooding the device with packets containing random MAC addresses, causing a denial of service.

Affected Systems and Versions

Product: Inteno DG400 WU7U_ELION3.11.6-170614_1328
Vendor: Inteno
Version: Not applicable

Exploitation Mechanism

The vulnerability can be demonstrated using tools like macof to send a series of packets with random MAC addresses, triggering the loss of connectivity.

Mitigation and Prevention

Immediate Steps to Take

Disable remote access if not required
Implement network segmentation to limit the impact of potential attacks
Monitor network traffic for any unusual patterns

Long-Term Security Practices

Regularly update firmware to patch known vulnerabilities
Conduct security assessments and penetration testing to identify and address weaknesses

Patching and Updates

Check for firmware updates from Inteno and apply them promptly to mitigate the vulnerability