A Use of Hard-Coded Cryptographic Key issue was discovered in Hyundai Motor America Blue Link 3.9.5 and 3.9.4. The application uses a hard-coded decryption password to protect sensitive user information.
The usage of hard-coded cryptographic keys within the ServiceAgent binary allows for the decryption of captured traffic across the network from or to the Moxa AWK-3131A firmware version 1.13.