Hongdian H8922 3.0.5 devices have an undocumented feature that allows access to a shell as a superuser. To connect, the telnet service is used on port 5188 with the default credentials of root:superzxmn.
CWE-798
CVE-2021-28111
Draeger X-Dock Firmware before 03.00.13 has Hard-Coded Credentials, leading to remote code execution by an authenticated attacker.
CVE-2021-27952
Hardcoded default root credentials exist on the ecobee3 lite 4.5.81.200 device. This allows a threat actor to gain access to the password-protected bootloader environment through the serial console.
CVE-2021-27797
Brocade Fabric OS before Brocade Fabric OS v8.2.1c, v8.1.2h, and all versions of Brocade Fabric OS v8.0.x and v7.x contain documented hard-coded credentials, which could allow attackers to gain access to the system.
CVE-2021-27481
ZOLL Defibrillator Dashboard, v prior to 2.2, The affected products utilize an encryption key in the data exchange process, which is hardcoded. This could allow an attacker to gain access to sensitive information.
CVE-2021-27503
Ypsomed mylife Cloud, mylife Mobile Application, Ypsomed mylife Cloud: All versions prior to 1.7.2, Ypsomed mylife App: All versions prior to 1.7.5,The application encrypts on the application layer of the communication protocol between the Ypsomed mylife App and mylife Cloud credentials based on hard-coded secrets, which allows man-in-the-middle attackers to tamper with messages.