CVE-2021-45550: NETGEAR d3600 Firmware

Medium severity, CVSS 6.8. EPSS: 0.6% chance of exploitation in the next 30 days.

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects D3600 before 1.0.0.76, D6000 before 1.0.0.78, D6100 before 1.0.0.63, D6220 before 1.0.0.52, D6400 before 1.0.0.86, D7800 before 1.0.1.56, D8500 before 1.0.3.44, DGN2200Bv4 before 1.0.0.109, DGN2200v4 before 1.0.0.110, R6250 before 1.0.4.34, R6300v2 before 1.0.4.34, R6400 before 1.0.1.46, R6400v2 before 1.0.2.66, R6700 before 1.0.2.6, R6700v3 before 1.0.2.66, R6900 before 1.0.2.4, R6900P before 1.3.1.64, R7000 before 1.0.9.42, R7000P before 1.3.1.64, R7100LG before 1.0.0.50, R7300 before 1.0.0.70, R7900 before 1.0.3.8, R7900P before 1.4.1.30, R8000 before 1.0.4.28, R8000P before 1.4.1.30, R8300 before 1.0.2.128, R8500 before 1.0.2.128, WNDR3400v3 before 1.0.1.24, WNR3500Lv2 before 1.2.0.62, and XR500 before 2.3.2.56.

Affected products

NETGEAR d3600 Firmware: before 1.0.0.76 (fixed in 1.0.0.76)
NETGEAR d6000 Firmware: before 1.0.0.78 (fixed in 1.0.0.78)
NETGEAR d6100 Firmware: before 1.0.0.63 (fixed in 1.0.0.63)
NETGEAR d6220 Firmware: before 1.0.0.52 (fixed in 1.0.0.52)
NETGEAR d6400 Firmware: before 1.0.0.86 (fixed in 1.0.0.86)
NETGEAR d7800 Firmware: before 1.0.1.56 (fixed in 1.0.1.56)
NETGEAR d8500 Firmware: before 1.0.3.44 (fixed in 1.0.3.44)
NETGEAR DGN2200 Firmware: before 1.0.0.110 (fixed in 1.0.0.110)
NETGEAR DGN2200B Firmware: before 1.0.0.109 (fixed in 1.0.0.109)
NETGEAR r6250 Firmware: before 1.0.4.34 (fixed in 1.0.4.34)
NETGEAR r6300 Firmware: before 1.0.4.34 (fixed in 1.0.4.34)
NETGEAR r6400 Firmware: before 1.0.1.46 (fixed in 1.0.1.46); before 1.0.2.66 (fixed in 1.0.2.66)
NETGEAR r6700 Firmware: before 1.0.2.6 (fixed in 1.0.2.6); before 1.0.2.66 (fixed in 1.0.2.66)
NETGEAR r6900 Firmware: before 1.0.2.4 (fixed in 1.0.2.4)
NETGEAR r6900p Firmware: before 1.3.1.64 (fixed in 1.3.1.64)
NETGEAR r7000 Firmware: before 1.0.9.42 (fixed in 1.0.9.42)
NETGEAR r7000p Firmware: before 1.3.1.64 (fixed in 1.3.1.64)
NETGEAR r7100lg Firmware: before 1.0.0.50 (fixed in 1.0.0.50)
NETGEAR r7300 Firmware: before 1.0.0.70 (fixed in 1.0.0.70)
NETGEAR r7900 Firmware: before 1.0.3.8 (fixed in 1.0.3.8)
NETGEAR r7900p Firmware: before 1.4.1.30 (fixed in 1.4.1.30)
NETGEAR r8000 Firmware: before 1.0.4.28 (fixed in 1.0.4.28)
NETGEAR r8000p Firmware: before 1.4.1.30 (fixed in 1.4.1.30)
NETGEAR r8300 Firmware: before 1.0.2.128 (fixed in 1.0.2.128)
NETGEAR r8500 Firmware: before 1.0.2.128 (fixed in 1.0.2.128)
and 3 more

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