CVE-2021-45554: NETGEAR r6400 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 R6400 before 1.0.1.74, R6400v2 before 1.0.4.118, R6700v3 before 1.0.4.118, R7000 before 1.0.11.126, R6900P before 1.3.3.140, R7000P before 1.3.3.140, and R8000 before 1.0.4.74.

Affected products

NETGEAR r6400 Firmware: before 1.0.1.74 (fixed in 1.0.1.74)
NETGEAR r6400v2 Firmware: before 1.0.4.118 (fixed in 1.0.4.118)
NETGEAR r6700v3 Firmware: before 1.0.4.118 (fixed in 1.0.4.118)
NETGEAR r6900p Firmware: before 1.3.3.140 (fixed in 1.3.3.140)
NETGEAR r7000 Firmware: before 1.0.11.126 (fixed in 1.0.11.126)
NETGEAR r7000p Firmware: before 1.3.3.140 (fixed in 1.3.3.140)
NETGEAR r8000 Firmware: before 1.0.4.74 (fixed in 1.0.4.74)

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