Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects D6100 before 1.0.0.58 D7800 before 1.0.1.42 R6100 before 1.0.1.28 R7500 before 1.0.0.130 R7500v2 before 1.0.3.36 R7800 before 1.0.2.52 R8900 before 1.0.4.12 R9000 before 1.0.4.12 WNDR3700v4 before 1.0.2.102 WNDR4300 before 1.0.2.104 WNDR4300v2 before 1.0.0.56 and WNDR4500v3 before 1.0.0.56.