CVE-2021-45611: NETGEAR DC112A Firmware

Critical severity, CVSS 9.8. EPSS: 1.2% chance of exploitation in the next 30 days.

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects DC112A before 1.0.0.52, R6400 before 1.0.1.68, RAX200 before 1.0.3.106, WNDR3400v3 before 1.0.1.38, XR300 before 1.0.3.68, R8500 before 1.0.2.144, RAX75 before 1.0.3.106, R8300 before 1.0.2.144, and RAX80 before 1.0.3.106.

Affected products

• NETGEAR DC112A Firmware: before 1.0.0.52 (fixed in 1.0.0.52)
• NETGEAR r6400 Firmware: before 1.0.1.68 (fixed in 1.0.1.68)
• NETGEAR r8300 Firmware: before 1.0.2.144 (fixed in 1.0.2.144)
• NETGEAR r8500 Firmware: before 1.0.2.144 (fixed in 1.0.2.144)
• NETGEAR RAX200 Firmware: before 1.0.3.106 (fixed in 1.0.3.106)
• NETGEAR RAX75 Firmware: before 1.0.3.106 (fixed in 1.0.3.106)
• NETGEAR RAX80 Firmware: before 1.0.3.106 (fixed in 1.0.3.106)
• NETGEAR WNDR3400V3 Firmware: before 1.0.1.38 (fixed in 1.0.1.38)
• NETGEAR XR300 Firmware: before 1.0.3.68 (fixed in 1.0.3.68)

Published 2021-12-26. Last modified 2026-06-17.