Digi Transport Dr64 Firmware vulnerabilities

CVE-2021-35978 [CRITICAL] CWE-77 CVE-2021-35978: An issue was discovered in Digi TransPort DR64, SR44 VC74, and WR. The ZING protocol allows arbitrar An issue was discovered in Digi TransPort DR64, SR44 VC74, and WR. The ZING protocol allows arbitrary remote command execution with SUPER privileges. This allows an attacker (with knowledge of the protocol) to execute arbitrary code on the controller including overwriting firmware, adding/removing users, disabling the internal firewall, etc.

CVE-2021-37188 [HIGH] CWE-345 CVE-2021-37188: An issue was discovered on Digi TransPort devices through 2021-07-21. An authenticated attacker may An issue was discovered on Digi TransPort devices through 2021-07-21. An authenticated attacker may load customized firmware (because the bootloader does not verify that it is authentic), changing the behavior of the gateway.

CVE-2021-37187 [MEDIUM] CWE-522 CVE-2021-37187: An issue was discovered on Digi TransPort devices through 2021-07-21. An authenticated attacker may An issue was discovered on Digi TransPort devices through 2021-07-21. An authenticated attacker may read a password file (with reversible passwords) from the device, which allows decoding of other users' passwords.