The NETGEAR WNR2000v5 router contains a buffer overflow in the hiddenlangavi parameter when invoking the URL /apply.cgi?/langcheck.html. This buffer overflow can be exploited by an unauthenticated attacker to achieve remote code execution.

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects D6100 before 1.0.0.63, R7800 before 1.0.2.60, R8900 before 1.0.4.26, R9000 before 1.0.4.26, RBK20 before 2.3.0.28, RBR20 before 2.3.0.28, RBS20 before 2.3.0.28, RBK50 before 2.3.0.32, RBR50 before 2.3.0.32, RBS50 before 2.3.0.32, RBK40 before 2.3.0.28, RBR40 before 2.3.0.28, RBS40 before 2.3.0.28, SRK60 before 2.2.2.20, SRR60 before 2.2.2.20, SRS60 before 2.2.2.20, WN3000RPv2 before 1.0.0.78, WNDR4300v2 before 1.0.0.58, WNDR4500v3 before 1.0.0.58, WNR2000v5 before 1.0.0.70, XR450 before 2.3.2.40, and XR500 before 2.3.2.40.