CVE Catalog
CVE-2016-4521
CriticalSummary
Sixnet BT-5xxx and BT-6xxx M2M devices before 3.8.21 and 3.9.x before 3.9.8 have hardcoded credentials, allowing remote attackers to gain access via unspecified vectors.
Risk Assessment
The presence of hardcoded credentials poses a significant security risk, enabling attackers to gain remote access to the devices.
Recommendation
It is recommended to update the devices to the latest software version to eliminate hardcoded credentials and secure access.
Original NVD description (English source)
Sixnet BT-5xxx and BT-6xxx M2M devices before 3.8.21 and 3.9.x before 3.9.8 have hardcoded credentials, which allows remote attackers to obtain access via unspecified vectors.

