Tbox Lt2-532 Firmware Security Vulnerabilities

CVE-2021-22640

An attacker can decrypt the Ovarro TBox login password by communication capture and brute force attacks.

CVE-2021-22642

An attacker could use specially crafted invalid Modbus frames to crash the Ovarro TBox system.

CVE-2021-22644

Ovarro TBox TWinSoft uses the custom hardcoded user “TWinSoft” with a hardcoded key.

CVE-2021-22646

The “ipk” package containing the configuration created by TWinSoft can be uploaded, extracted, and executed in Ovarro TBox, allowing malicious code execution.

CVE-2021-22648

Ovarro TBox proprietary Modbus file access functions allow attackers to read, alter, or delete the configuration file.

CVE-2021-22650

An attacker may use TWinSoft and a malicious source project file (TPG) to extract files on machine executing Ovarro TWinSoft, which could lead to code execution.