CVE-2018-21228: NETGEAR d7800 Firmware

Medium severity, CVSS 6.8. EPSS: 0.9% chance of exploitation in the next 30 days.

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects D7800 before 1.0.1.34, EX6100v2 before 1.0.1.50, EX6150v2 before 1.0.1.50, EX6200v2 before 1.0.1.44, EX6400 before 1.0.1.60, EX7300 before 1.0.1.60, R6100 before 1.0.1.16, R7500 before 1.0.0.110, R7800 before 1.0.2.32, R9000 before 1.0.2.30, WN3000RPv3 before 1.0.2.50, WNDR4300v2 before 1.0.0.50, and WNDR4500v3 before 1.0.0.50.

Affected products

• NETGEAR d7800 Firmware: before 1.0.1.34 (fixed in 1.0.1.34)
• NETGEAR EX6100 Firmware: before 1.0.1.50 (fixed in 1.0.1.50)
• NETGEAR EX6150 Firmware: before 1.0.1.50 (fixed in 1.0.1.50)
• NETGEAR EX6200 Firmware: before 1.0.1.44 (fixed in 1.0.1.44)
• NETGEAR EX6400 Firmware: before 1.0.1.60 (fixed in 1.0.1.60)
• NETGEAR EX7300 Firmware: before 1.0.1.60 (fixed in 1.0.1.60)
• NETGEAR r6100 Firmware: before 1.0.1.16 (fixed in 1.0.1.16)
• NETGEAR r7500 Firmware: before 1.0.0.110 (fixed in 1.0.0.110)
• NETGEAR r7800 Firmware: before 1.0.2.32 (fixed in 1.0.2.32)
• NETGEAR r9000 Firmware: before 1.0.2.30 (fixed in 1.0.2.30)
• NETGEAR WN3000RP Firmware: before 1.0.2.50 (fixed in 1.0.2.50)
• NETGEAR WNDR4300 Firmware: before 1.0.0.50 (fixed in 1.0.0.50)
• NETGEAR WNDR4500 Firmware: before 1.0.0.50 (fixed in 1.0.0.50)

Published 2020-04-24. Last modified 2026-06-17.