Silex Technology SD-330AC and AMC Manager Insecure Default Password Vulnerability

Vulnerability

A vulnerability exists in Silex Technology's SD-330AC device and AMC Manager software, allowing devices to be configured with a null password when connected to a network with the factory-default settings. This issue could enable unauthorized access to administrative privileges.

Impact

Exploitation of this vulnerability could allow an attacker to gain administrative access on the affected device by setting a password on a device that is currently operating without one.

Remediation

Users are advised to update the SD-330AC firmware to version 1.50 or later, or to update AMC Manager to version 5.1.0 or later. After updating, an administrator password must be set to ensure the product's security.

Added: Apr 20, 2026, 4:22 AM
Updated: Apr 20, 2026, 4:22 AM

Vulnerability Rating

Custom Algorithm
spread
0.0
impact
5.0
exploitability
4.9
remediation
0.0
relevance
6.1
threat
0.0
urgency
2.9
incentive
0.0

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.