A hard-coded password vulnerability exists in the telnetd functionality of LevelOne WBR-6013 RER4_A_v3411b_2T2R_LEV_09_170623. A set of specially crafted network packets can lead to arbitrary command execution.
Hard-coded credentials in Juplink RX4-1500 versions V1.0.2 through V1.0.5 allow unauthenticated attackers to log in to the web interface or telnet service as the 'user' user.
Loftware Spectrum before 4.6 HF14 uses a Hard-coded Password.