CVE-2020-35796

CRITICAL
9.8
CVSS Score
Published: December 29, 2020 at 11:29 PM UTC
Updated: June 17, 2026 at 03:14 AM UTC
138 products affected across 1 vendorR6700 FirmwareR7000P FirmwareRBR850 Firmware

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Severity
CRITICAL9.8
Exploit prediction
EPSS 1%

Description

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 2.5.0.10
Affected range stops below 2.5.0.10, so it looks safe — our inference, not a vendor statement
netgear-cbr40 (same device)
v < 1.0.0.60
Affected range stops below 1.0.0.60, so it looks safe — our inference, not a vendor statement
netgear-d6220 (same device)
v < 1.0.0.94
Affected range stops below 1.0.0.94, so it looks safe — our inference, not a vendor statement
netgear-d6400 (same device)
v < 1.0.0.62
Affected range stops below 1.0.0.62, so it looks safe — our inference, not a vendor statement
netgear-d7000v2 (same device)
v < 1.0.3.50
Affected range stops below 1.0.3.50, so it looks safe — our inference, not a vendor statement
netgear-d8500 (same device)
v < 1.0.0.48
Affected range stops below 1.0.0.48, so it looks safe — our inference, not a vendor statement
v < 1.0.0.114
Affected range stops below 1.0.0.114, so it looks safe — our inference, not a vendor statement
netgear-dgn2200v4 (same device)
v < 1.0.0.36
Affected range stops below 1.0.0.36, so it looks safe — our inference, not a vendor statement
netgear-eax20 (same device)
v < 1.0.1.62
Affected range stops below 1.0.1.62, so it looks safe — our inference, not a vendor statement
netgear-eax80 (same device)
v < 1.0.0.84
Affected range stops below 1.0.0.84, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-120

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