CVE-2019-20747: NETGEAR d6100 Firmware

Medium severity, CVSS 6.8. EPSS: 0.5% chance of exploitation in the next 30 days.

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects D6100 before 1.0.0.58, D7800 before 1.0.1.40, R7500v2 before 1.0.3.34, R7800 before 1.0.2.52, R8900 before 1.0.4.2, R9000 before 1.0.3.16, RAX120 before 1.0.0.74, RBK20 before 2.3.0.22, RBR20 before 2.3.0.22, RBS20 before 2.3.0.22, RBK50 before 2.3.0.22, RBR50 before 2.3.0.22, RBS50 before 2.3.0.22, RBK40 before 2.3.0.22, RBS40 before 2.3.0.22, SRK60 before 2.2.0.64, SRR60 before 2.2.0.64, SRS60 before 2.2.0.64, WNDR3700v4 before 1.0.2.102, WNDR4300 before 1.0.2.104, WNDR4300v2 before 1.0.0.56, WNDR4500v3 before 1.0.0.56, and WNR2000v5 before 1.0.0.66.

Affected products

  • NETGEAR d6100 Firmware: before 1.0.0.58 (fixed in 1.0.0.58)
  • NETGEAR d7800 Firmware: before 1.0.1.40 (fixed in 1.0.1.40)
  • NETGEAR r7500 Firmware: before 1.0.3.34 (fixed in 1.0.3.34)
  • NETGEAR r7800 Firmware: before 1.0.2.52 (fixed in 1.0.2.52)
  • NETGEAR r8900 Firmware: before 1.0.4.2 (fixed in 1.0.4.2)
  • NETGEAR r9000 Firmware: before 1.0.3.16 (fixed in 1.0.3.16)
  • NETGEAR RAX120 Firmware: before 1.0.0.74 (fixed in 1.0.0.74)
  • NETGEAR RBK20 Firmware: before 2.3.0.22 (fixed in 2.3.0.22)
  • NETGEAR RBK40 Firmware: before 2.3.0.22 (fixed in 2.3.0.22)
  • NETGEAR RBK50 Firmware: before 2.3.0.22 (fixed in 2.3.0.22)
  • NETGEAR RBR20 Firmware: before 2.3.0.22 (fixed in 2.3.0.22)
  • NETGEAR RBR50 Firmware: before 2.3.0.22 (fixed in 2.3.0.22)
  • NETGEAR RBS20 Firmware: before 2.3.0.22 (fixed in 2.3.0.22)
  • NETGEAR RBS40 Firmware: before 2.3.0.22 (fixed in 2.3.0.22)
  • NETGEAR RBS50 Firmware: before 2.3.0.22 (fixed in 2.3.0.22)
  • NETGEAR SRK60 Firmware: before 2.2.0.64 (fixed in 2.2.0.64)
  • NETGEAR SRR60 Firmware: before 2.2.0.64 (fixed in 2.2.0.64)
  • NETGEAR SRS60 Firmware: before 2.2.0.64 (fixed in 2.2.0.64)
  • NETGEAR WNDR3700 Firmware: before 1.0.2.102 (fixed in 1.0.2.102)
  • NETGEAR WNDR4300 Firmware: before 1.0.2.104 (fixed in 1.0.2.104); before 1.0.0.56 (fixed in 1.0.0.56)
  • NETGEAR WNDR4500 Firmware: before 1.0.0.56 (fixed in 1.0.0.56)
  • NETGEAR WNR2000 Firmware: before 1.0.0.66 (fixed in 1.0.0.66)

Published 2020-04-16. Last modified 2026-06-17.