CVE-2021-38516: NETGEAR AC2100 Firmware

Critical severity, CVSS 9.8. EPSS: 1.3% chance of exploitation in the next 30 days.

Certain NETGEAR devices are affected by lack of access control at the function level. This affects D6220 before 1.0.0.48, D6400 before 1.0.0.82, D7000v2 before 1.0.0.52, D7800 before 1.0.1.44, D8500 before 1.0.3.43, DC112A before 1.0.0.40, DGN2200v4 before 1.0.0.108, RBK50 before 2.3.0.32, RBR50 before 2.3.0.32, RBS50 before 2.3.0.32, RBK20 before 2.3.0.28, RBR20 before 2.3.0.28, RBS20 before 2.3.0.28, RBK40 before 2.3.0.28, RBR40 before 2.3.0.28, RBS40 before 2.3.0.28, R6020 before 1.0.0.34, R6080 before 1.0.0.34, R6120 before 1.0.0.44, R6220 before 1.1.0.80, R6230 before 1.1.0.80, R6250 before 1.0.4.34, R6260 before 1.1.0.40, R6850 before 1.1.0.40, R6350 before 1.1.0.40, R6400v2 before 1.0.2.62, R6700v3 before 1.0.2.62, R6700v2 before 1.2.0.36, R6800 before 1.2.0.36, R6900v2 before 1.2.0.36, R7000 before 1.0.9.34, R6900P before 1.3.1.44, R7000P before 1.3.1.44, R7100LG before 1.0.0.48, R7200 before 1.2.0.48, R7350 before 1.2.0.48, R7400 before 1.2.0.48, R7450 before 1.2.0.36, AC2100 before 1.2.0.36, AC2400 before 1.2.0.36, AC2600 before 1.2.0.36, R7500v2 before 1.0.3.38, R7800 before 1.0.2.58, R7900 before 1.0.3.8, R7960P before 1.4.1.44, R8000 before 1.0.4.28, R7900P before 1.4.1.30, R8000P before 1.4.1.30, R8900 before 1.0.4.2, R9000 before 1.0.4.2, RAX120 before 1.0.0.74, RBK752 before 3.2.16.6, RBR750 before 3.2.16.6, RBS750 before 3.2.16.6, RBK852 before 3.2.16.6, RBR850 before 3.2.16.6, RBS850 before 3.2.16.6, WNR3500Lv2 before 1.2.0.56, XR450 before 2.3.2.32, and XR500 before 2.3.2.32.

Affected products

NETGEAR AC2100 Firmware: before 1.2.0.36 (fixed in 1.2.0.36)
NETGEAR AC2400 Firmware: before 1.2.0.36 (fixed in 1.2.0.36)
NETGEAR AC2600 Firmware: before 1.2.0.36 (fixed in 1.2.0.36)
NETGEAR d6220 Firmware: before 1.0.0.48 (fixed in 1.0.0.48)
NETGEAR d6400 Firmware: before 1.0.0.82 (fixed in 1.0.0.82)
NETGEAR d7000 Firmware: before 1.0.0.52 (fixed in 1.0.0.52)
NETGEAR d7800 Firmware: before 1.0.1.44 (fixed in 1.0.1.44)
NETGEAR d8500 Firmware: before 1.0.3.43 (fixed in 1.0.3.43)
NETGEAR DC112A Firmware: before 1.0.0.40 (fixed in 1.0.0.40)
NETGEAR DGN2200 Firmware: before 1.0.0.108 (fixed in 1.0.0.108)
NETGEAR r6020 Firmware: before 1.0.0.34 (fixed in 1.0.0.34)
NETGEAR r6080 Firmware: before 1.0.0.34 (fixed in 1.0.0.34)
NETGEAR r6120 Firmware: before 1.0.0.44 (fixed in 1.0.0.44)
NETGEAR r6220 Firmware: before 1.1.0.80 (fixed in 1.1.0.80)
NETGEAR r6230 Firmware: before 1.1.0.80 (fixed in 1.1.0.80)
NETGEAR r6250 Firmware: before 1.0.4.34 (fixed in 1.0.4.34)
NETGEAR r6260 Firmware: before 1.1.0.40 (fixed in 1.1.0.40)
NETGEAR r6350 Firmware: before 1.1.0.40 (fixed in 1.1.0.40)
NETGEAR r6400 Firmware: before 1.0.2.62 (fixed in 1.0.2.62)
NETGEAR r6700 Firmware: before 1.0.2.62 (fixed in 1.0.2.62); before 1.2.0.36 (fixed in 1.2.0.36)
NETGEAR r6800 Firmware: before 1.2.0.36 (fixed in 1.2.0.36)
NETGEAR r6850 Firmware: before 1.1.0.40 (fixed in 1.1.0.40)
NETGEAR r6900 Firmware: before 1.2.0.36 (fixed in 1.2.0.36)
NETGEAR r6900p Firmware: before 1.3.1.44 (fixed in 1.3.1.44)
NETGEAR r7000 Firmware: before 1.0.9.34 (fixed in 1.0.9.34)
and 34 more

Published 2021-08-11. Last modified 2026-06-17.