CVE-2021-29068: NETGEAR AC2100 Firmware

High severity, CVSS 8.8. EPSS: 1.1% chance of exploitation in the next 30 days.

Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects R6700v3 before 1.0.4.98, R6400v2 before 1.0.4.98, R7000 before 1.0.11.106, R6900P before 1.3.2.124, R7000P before 1.3.2.124, R7900 before 1.0.4.26, R7850 before 1.0.5.60, R8000 before 1.0.4.58, RS400 before 1.5.0.48, R6400 before 1.0.1.62, R6700 before 1.0.2.16, R6900 before 1.0.2.16, MK60 before 1.0.5.102, MR60 before 1.0.5.102, MS60 before 1.0.5.102, CBR40 before 2.5.0.10, R8000P before 1.4.1.62, R7960P before 1.4.1.62, R7900P before 1.4.1.62, RAX15 before 1.0.1.64, RAX20 before 1.0.1.64, RAX75 before 1.0.3.102, RAX80 before 1.0.3.102, RAX200 before 1.0.2.102, RAX45 before 1.0.2.64, RAX50 before 1.0.2.64, EX7500 before 1.0.0.68, EAX80 before 1.0.1.62, EAX20 before 1.0.0.36, RBK752 before 3.2.16.6, RBK753 before 3.2.16.6, RBK753S before 3.2.16.6, RBK754 before 3.2.16.6, RBR750 before 3.2.16.6, RBS750 before 3.2.16.6, RBK852 before 3.2.16.6, RBK853 before 3.2.16.6, RBK854 before 3.2.16.6, RBR850 before 3.2.16.6, RBS850 before 3.2.16.6, RBR840 before 3.2.16.6, RBS840 before 3.2.16.6, R6120 before 1.0.0.70, R6220 before 1.1.0.100, R6230 before 1.1.0.100, R6260 before 1.1.0.76, R6850 before 1.1.0.76, R6350 before 1.1.0.76, R6330 before 1.1.0.76, D7800 before 1.0.1.58, RBK50 before 2.6.1.40, RBR50 before 2.6.1.40, RBS50 before 2.6.1.40, RBK40 before 2.6.1.36, RBR40 before 2.6.1.36, RBS40 before 2.6.1.38, RBK23 before 2.6.1.36, RBR20 before 2.6.1.38, RBS20 before 2.6.1.38, RBK12 before 2.6.1.44, RBK13 before 2.6.1.44, RBK14 before 2.6.1.44, RBK15 before 2.6.1.44, RBR10 before 2.6.1.44, RBS10 before 2.6.1.44, R6800 before 1.2.0.72, R6900v2 before 1.2.0.72, R6700v2 before 1.2.0.72, R7200 before 1.2.0.72, R7350 before 1.2.0.72, R7400 before 1.2.0.72, R7450 before 1.2.0.72, AC2100 before 1.2.0.72, AC2400 before 1.2.0.72, AC2600 before 1.2.0.72, R7800 before 1.0.2.74, R8900 before 1.0.5.24, R9000 before 1.0.5.24, RAX120 before 1.0.1.136, XR450 before 2.3.2.66, XR500 before 2.3.2.66, XR700 before 1.0.1.34, and XR300 before 1.0.3.50.

Affected products

NETGEAR AC2100 Firmware: before 1.2.0.72 (fixed in 1.2.0.72)
NETGEAR AC2400 Firmware: before 1.2.0.72 (fixed in 1.2.0.72)
NETGEAR AC2600 Firmware: before 1.2.0.72 (fixed in 1.2.0.72)
NETGEAR CBR40 Firmware: before 2.5.0.10 (fixed in 2.5.0.10)
NETGEAR d7800 Firmware: before 1.0.1.58 (fixed in 1.0.1.58)
NETGEAR EAX20 Firmware: before 1.0.0.36 (fixed in 1.0.0.36)
NETGEAR EAX80 Firmware: before 1.0.1.62 (fixed in 1.0.1.62)
NETGEAR EX7500 Firmware: before 1.0.0.68 (fixed in 1.0.0.68)
NETGEAR MK60 Firmware: before 1.0.5.102 (fixed in 1.0.5.102)
NETGEAR MR60 Firmware: before 1.0.5.102 (fixed in 1.0.5.102)
NETGEAR MS60 Firmware: before 1.0.5.102 (fixed in 1.0.5.102)
NETGEAR r6120 Firmware: before 1.0.0.70 (fixed in 1.0.0.70)
NETGEAR r6220 Firmware: before 1.0.0.70 (fixed in 1.0.0.70)
NETGEAR r6230 Firmware: before 1.0.0.70 (fixed in 1.0.0.70)
NETGEAR r6260 Firmware: before 1.1.0.76 (fixed in 1.1.0.76)
NETGEAR r6330 Firmware: before 1.1.0.76 (fixed in 1.1.0.76)
NETGEAR r6350 Firmware: before 1.1.0.76 (fixed in 1.1.0.76)
NETGEAR r6400 Firmware: before 1.0.4.98 (fixed in 1.0.4.98); before 1.0.1.62 (fixed in 1.0.1.62)
NETGEAR r6700 Firmware: before 1.0.4.98 (fixed in 1.0.4.98); before 1.0.2.16 (fixed in 1.0.2.16); before 1.2.0.72 (fixed in 1.2.0.72)
NETGEAR r6800 Firmware: before 1.2.0.72 (fixed in 1.2.0.72)
NETGEAR r6850 Firmware: before 1.1.0.76 (fixed in 1.1.0.76)
NETGEAR r6900 Firmware: before 1.0.2.16 (fixed in 1.0.2.16); before 1.2.0.72 (fixed in 1.2.0.72)
NETGEAR r6900p Firmware: before 1.3.2.124 (fixed in 1.3.2.124)
NETGEAR r7000 Firmware: before 1.0.11.106 (fixed in 1.0.11.106)
NETGEAR r7000p Firmware: before 1.3.2.124 (fixed in 1.3.2.124)
and 55 more

Published 2021-03-23. Last modified 2026-06-17.