CVE-2021-45618: NETGEAR d7800 Firmware

Critical severity, CVSS 9.8. EPSS: 2% chance of exploitation in the next 30 days.

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects D7800 before 1.0.1.64, EX6200v2 before 1.0.1.86, EX6250 before 1.0.0.134, EX7700 before 1.0.0.216, EX8000 before 1.0.1.232, LBR20 before 2.6.3.50, R7800 before 1.0.2.80, R8900 before 1.0.5.26, R9000 before 1.0.5.26, RAX120 before 1.2.0.16, RBS50Y before 1.0.0.56, WNR2000v5 before 1.0.0.76, XR450 before 2.3.2.114, XR500 before 2.3.2.114, XR700 before 1.0.1.36, EX6150v2 before 1.0.1.98, EX7300 before 1.0.2.158, EX7320 before 1.0.0.134, EX6100v2 before 1.0.1.98, EX6400 before 1.0.2.158, EX7300v2 before 1.0.0.134, EX6410 before 1.0.0.134, RBR10 before 2.6.1.44, RBR20 before 2.6.2.104, RBR40 before 2.6.2.104, RBR50 before 2.7.2.102, EX6420 before 1.0.0.134, RBS10 before 2.6.1.44, RBS20 before 2.6.2.104, RBS40 before 2.6.2.104, RBS50 before 2.7.2.102, EX6400v2 before 1.0.0.134, RBK12 before 2.6.1.44, RBK20 before 2.6.2.104, RBK40 before 2.6.2.104, and RBK50 before 2.7.2.102.

Affected products

NETGEAR d7800 Firmware: before 1.0.1.64 (fixed in 1.0.1.64)
NETGEAR EX6100V2 Firmware: before 1.0.1.98 (fixed in 1.0.1.98)
NETGEAR EX6150V2 Firmware: before 1.0.1.98 (fixed in 1.0.1.98)
NETGEAR EX6200V2 Firmware: before 1.0.1.86 (fixed in 1.0.1.86)
NETGEAR EX6250 Firmware: before 1.0.0.134 (fixed in 1.0.0.134)
NETGEAR EX6400 Firmware: before 1.0.2.158 (fixed in 1.0.2.158)
NETGEAR EX6400V2 Firmware: before 1.0.0.134 (fixed in 1.0.0.134)
NETGEAR EX6410 Firmware: before 1.0.0.134 (fixed in 1.0.0.134)
NETGEAR EX6420 Firmware: before 1.0.0.134 (fixed in 1.0.0.134)
NETGEAR EX7300 Firmware: before 1.0.2.158 (fixed in 1.0.2.158)
NETGEAR EX7300V2 Firmware: before 1.0.0.134 (fixed in 1.0.0.134)
NETGEAR EX7320 Firmware: before 1.0.0.134 (fixed in 1.0.0.134)
NETGEAR EX7700 Firmware: before 1.0.0.216 (fixed in 1.0.0.216)
NETGEAR EX8000 Firmware: before 1.0.1.232 (fixed in 1.0.1.232)
NETGEAR LBR20 Firmware: before 2.6.3.50 (fixed in 2.6.3.50)
NETGEAR r7800 Firmware: before 1.0.2.80 (fixed in 1.0.2.80)
NETGEAR r8900 Firmware: before 1.0.5.26 (fixed in 1.0.5.26)
NETGEAR r9000 Firmware: before 1.0.5.26 (fixed in 1.0.5.26)
NETGEAR RAX120 Firmware: before 1.2.0.16 (fixed in 1.2.0.16)
NETGEAR RBK12 Firmware: before 2.6.1.44 (fixed in 2.6.1.44)
NETGEAR RBK20 Firmware: before 2.6.2.104 (fixed in 2.6.2.104)
NETGEAR RBK40 Firmware: before 2.6.2.104 (fixed in 2.6.2.104)
NETGEAR RBK50 Firmware: before 2.7.2.102 (fixed in 2.7.2.102)
NETGEAR RBR10 Firmware: before 2.6.1.44 (fixed in 2.6.1.44)
NETGEAR RBR20 Firmware: before 2.6.2.104 (fixed in 2.6.2.104)
and 11 more

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