CVE-2017-5135 : What You Need to Know

A potential vulnerability in certain Technicolor devices allows for SNMP access-control bypass, affecting the Technicolor DPC3928SL with specific firmware versions.

Understanding CVE-2017-5135

This CVE involves a security issue in Technicolor devices that could lead to unauthorized SNMP access.

What is CVE-2017-5135?

Vulnerability in Technicolor devices allowing SNMP access-control bypass
Specifically affects Technicolor DPC3928SL with firmware D3928SL-P15-13-A386-c3420r55105-160127a
Vulnerability may be linked to ISP customization

The Impact of CVE-2017-5135

Allows any SNMP community string from the Internet to access the affected device
Grants write properties, known as Stringbleed
Reference to the StringBleed-CVE-2017-5135 GitHub repository is no longer valid due to potential malicious code

Technical Details of CVE-2017-5135

This section provides detailed technical information about the vulnerability.

Vulnerability Description

SNMP access-control bypass in Technicolor devices
Vulnerability possibly related to ISP customization

Affected Systems and Versions

Technicolor DPC3928SL with firmware D3928SL-P15-13-A386-c3420r55105-160127a

Exploitation Mechanism

Any SNMP community string from the Internet can access the device
Allows write properties, enabling Stringbleed

Mitigation and Prevention

Steps to address and prevent the CVE-2017-5135 vulnerability.

Immediate Steps to Take

Disable SNMP if not required
Implement firewall rules to restrict SNMP access
Regularly monitor SNMP activity for anomalies

Long-Term Security Practices

Keep firmware and software up to date
Conduct regular security assessments and audits
Educate users on SNMP best practices

Patching and Updates

Apply patches and updates from the device manufacturer
Stay informed about security advisories and recommendations