CVE-2020-35796: NETGEAR CBR40 Firmware

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

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects CBR40 before 2.5.0.10, D6220 before 1.0.0.60, D6400 before 1.0.0.94, D7000v2 before 1.0.0.62, D8500 before 1.0.3.50, DC112A before 1.0.0.48, DGN2200v4 before 1.0.0.114, EAX20 before 1.0.0.36, EAX80 before 1.0.1.62, EX3700 before 1.0.0.84, EX3800 before 1.0.0.84, EX3920 before 1.0.0.84, EX6000 before 1.0.0.44, EX6100 before 1.0.2.28, EX6120 before 1.0.0.54, EX6130 before 1.0.0.36, EX6150 before 1.0.0.46, EX6200 before 1.0.3.94, EX6920 before 1.0.0.54, EX7000 before 1.0.1.90, EX7500 before 1.0.0.68, MK62 before 1.0.5.102, MR60 before 1.0.5.102, MS60 before 1.0.5.102, R6250 before 1.0.4.42, R6300v2 before 1.0.4.42, R6400 before 1.0.1.62, R6400v2 before 1.0.4.98, R6700v3 before 1.0.4.98, R6700 before 1.0.2.16, R6900P before 1.3.2.124, R6900 before 1.0.2.16, R7000 before 1.0.11.106, R7000P before 1.3.2.124, R7100LG before 1.0.0.56, R7850 before 1.0.5.60, R7900 before 1.0.4.26, R7900P before 1.4.1.62, R7960P before 1.4.1.62, R8000 before 1.0.4.58, R8000P before 1.4.1.62, R8300 before 1.0.2.134, R8500 before 1.0.2.134, RAX15 before 1.0.1.64, RAX20 before 1.0.1.64, RAX200 before 1.0.2.102, RAX45 before 1.0.2.32, RAX50 before 1.0.2.32, RAX75 before 1.0.3.102, RAX80 before 1.0.3.102, RBK752 before 3.2.16.6, RBR750 before 3.2.16.6, RBS750 before 3.2.16.6, RBK842 before 3.2.16.6, RBR840 before 3.2.16.6, RBS840 before 3.2.16.6, RBK852 before 3.2.16.6, RBR850 before 3.2.16.6, RBS850 before 3.2.16.6, RBS40V-200 before 1.0.0.46, RBW30 before 2.5.0.4, RS400 before 1.5.0.48, WN2500RPv2 before 1.0.1.56, WN3500RP before 1.0.0.28, WNDR3400v3 before 1.0.1.32, WNR1000v3 before 1.0.2.78, WNR2000v2 before 1.2.0.12, WNR3500Lv2 before 1.2.0.62, and XR300 before 1.0.3.50.

Affected products

NETGEAR CBR40 Firmware: before 2.5.0.10 (fixed in 2.5.0.10)
NETGEAR d6220 Firmware: before 1.0.0.60 (fixed in 1.0.0.60)
NETGEAR d6400 Firmware: before 1.0.0.94 (fixed in 1.0.0.94)
NETGEAR d7000v2 Firmware: before 1.0.0.62 (fixed in 1.0.0.62)
NETGEAR d8500 Firmware: before 1.0.3.50 (fixed in 1.0.3.50)
NETGEAR DC112A Firmware: before 1.0.0.48 (fixed in 1.0.0.48)
NETGEAR DGN2200V4 Firmware: before 1.0.0.114 (fixed in 1.0.0.114)
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 EX3700 Firmware: before 1.0.0.84 (fixed in 1.0.0.84)
NETGEAR EX3800 Firmware: before 1.0.0.84 (fixed in 1.0.0.84)
NETGEAR EX3920 Firmware: before 1.0.0.84 (fixed in 1.0.0.84)
NETGEAR EX6000 Firmware: before 1.0.0.44 (fixed in 1.0.0.44)
NETGEAR EX6100 Firmware: before 1.0.2.28 (fixed in 1.0.2.28)
NETGEAR EX6120 Firmware: before 1.0.0.54 (fixed in 1.0.0.54)
NETGEAR EX6130 Firmware: before 1.0.0.36 (fixed in 1.0.0.36)
NETGEAR EX6150 Firmware: before 1.0.0.46 (fixed in 1.0.0.46)
NETGEAR EX6200 Firmware: before 1.0.3.94 (fixed in 1.0.3.94)
NETGEAR EX6920 Firmware: before 1.0.0.54 (fixed in 1.0.0.54)
NETGEAR EX7000 Firmware: before 1.0.1.90 (fixed in 1.0.1.90)
NETGEAR EX7500 Firmware: before 1.0.0.68 (fixed in 1.0.0.68)
NETGEAR MK62 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 r6250 Firmware: before 1.0.4.42 (fixed in 1.0.4.42)
and 44 more

Published 2020-12-30. Last modified 2026-06-17.