CVE-2018-20394 : Exploit Details and Defense Strategies

Remote attackers can uncover credentials on Thomson DWG849 STC0.01.16, DWG850-4 ST9C.05.25, DWG855 ST80.20.26, and TWG870 STB2.01.36 devices by exploiting SNMP requests.

Understanding CVE-2018-20394

This CVE involves the exposure of credentials on specific Thomson devices through SNMP requests.

What is CVE-2018-20394?

CVE-2018-20394 allows remote attackers to discover credentials on Thomson DWG849, DWG850-4, DWG855, and TWG870 devices by sending specific SNMP requests.

The Impact of CVE-2018-20394

The vulnerability enables unauthorized access to sensitive information, potentially leading to unauthorized system control and data breaches.

Technical Details of CVE-2018-20394

This section provides detailed technical information about the vulnerability.

Vulnerability Description

Attackers can exploit SNMP requests to reveal credentials on affected Thomson devices.

Affected Systems and Versions

Thomson DWG849 STC0.01.16
Thomson DWG850-4 ST9C.05.25
Thomson DWG855 ST80.20.26
Thomson TWG870 STB2.01.36

Exploitation Mechanism

The vulnerability is exploited by sending specific SNMP requests to the affected devices.

Mitigation and Prevention

Protect your systems from CVE-2018-20394 with the following measures:

Immediate Steps to Take

Disable SNMP if not required
Implement strong firewall rules
Monitor network traffic for suspicious activity

Long-Term Security Practices

Regularly update device firmware
Conduct security audits and assessments
Train employees on cybersecurity best practices

Patching and Updates

Apply patches and updates provided by Thomson to address the vulnerability.