CVE-2017-7912 : Vulnerability Insights and Analysis

Hanwha Techwin SRN-4000 firmware versions prior to SRN4000_v2.16_170401 allow unauthorized access to the device management page, posing a security risk.

Understanding CVE-2017-7912

What is CVE-2017-7912?

Before the version SRN4000_v2.16_170401 of the Hanwha Techwin SRN-4000 firmware, an attacker could exploit a vulnerability to gain administrative access without proper authentication.

The Impact of CVE-2017-7912

This vulnerability enables attackers to bypass authentication and gain unauthorized access to the device management page with administrative privileges.

Technical Details of CVE-2017-7912

Vulnerability Description

A specially crafted HTTP request and response can be used to exploit this vulnerability, allowing unauthorized access to the device management page.

Affected Systems and Versions

Product: SRN-4000
Vendor: Hanwha Techwin
Affected Versions: Firmware versions prior to SRN4000_v2.16_170401

Exploitation Mechanism

Attackers can send a specially crafted HTTP request to the device, receiving a corresponding response that grants unauthorized access with administrative privileges.

Mitigation and Prevention

Immediate Steps to Take

Update the firmware to version SRN4000_v2.16_170401 or later to mitigate the vulnerability.
Implement strong network security measures to prevent unauthorized access.

Long-Term Security Practices

Regularly monitor and audit device logs for any suspicious activity.
Train users on secure authentication practices to prevent unauthorized access.

Patching and Updates

Ensure timely installation of security patches and firmware updates to address known vulnerabilities.