vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2021-45642

HIGH
7.2
CVSS Score
Published: December 26, 2021 at 12:30 AM UTC
Updated: June 17, 2026 at 04:13 AM UTC
57 products affected across 1 vendorR9000 FirmwareD7800 FirmwareR8900 Firmware

Using N/A by N/A?

Get instant alerts when new vulnerabilities affect N/A - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
HIGH7.2
Exploit prediction
EPSS 1.0%

Description

Certain NETGEAR devices are affected by incorrect configuration of security settings. This affects D7800 before 1.0.1.64, EX6250 before 1.0.0.134, EX7700 before 1.0.0.222, LBR20 before 2.6.3.50, RBS50Y before 2.7.3.22, R8900 before 1.0.5.26, R9000 before 1.0.5.26, XR450 before 2.3.2.66, XR500 before 2.3.2.66, XR700 before 1.0.1.36, EX7320 before 1.0.0.134, RAX120 before 1.2.2.24, EX7300v2 before 1.0.0.134, RAX120v2 before 1.2.2.24, EX6410 before 1.0.0.134, RBR10 before 2.7.3.22, RBR20 before 2.7.3.22, RBR40 before 2.7.3.22, RBR50 before 2.7.3.22, EX6420 before 1.0.0.134, RBS10 before 2.7.3.22, RBS20 before 2.7.3.22, RBS40 before 2.7.3.22, RBS50 before 2.7.3.22, EX6400v2 before 1.0.0.134, RBK12 before 2.7.3.22, RBK20 before 2.7.3.22, RBK40 before 2.7.3.22, and RBK50 before 2.7.3.22.

Affected

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

D7800 Firmware· NETGEAR
95%
v < 1.0.1.64
Affected range stops below 1.0.1.64, so it looks safe — our inference, not a vendor statement
netgear-d7800 (same device)
EX6250 Firmware· NETGEAR
95%
v < 1.0.0.134
Affected range stops below 1.0.0.134, so it looks safe — our inference, not a vendor statement
netgear-ex6250 (same device)
EX6400V2 Firmware· NETGEAR
95%
v < 1.0.0.134
Affected range stops below 1.0.0.134, so it looks safe — our inference, not a vendor statement
netgear-ex6400v2 (same device)
EX6410 Firmware· NETGEAR
95%
v < 1.0.0.134
Affected range stops below 1.0.0.134, so it looks safe — our inference, not a vendor statement
netgear-ex6410 (same device)
EX6420 Firmware· NETGEAR
95%
v < 1.0.0.134
Affected range stops below 1.0.0.134, so it looks safe — our inference, not a vendor statement
netgear-ex6420 (same device)
EX7300V2 Firmware· NETGEAR
95%
v < 1.0.0.134
Affected range stops below 1.0.0.134, so it looks safe — our inference, not a vendor statement
netgear-ex7300v2 (same device)
EX7320 Firmware· NETGEAR
95%
v < 1.0.0.134
Affected range stops below 1.0.0.134, so it looks safe — our inference, not a vendor statement
netgear-ex7320 (same device)
EX7700 Firmware· NETGEAR
95%
v < 1.0.0.222
Affected range stops below 1.0.0.222, so it looks safe — our inference, not a vendor statement
netgear-ex7700 (same device)
LBR20 Firmware· NETGEAR
95%
v < 2.6.3.50
Affected range stops below 2.6.3.50, so it looks safe — our inference, not a vendor statement
netgear-lbr20 (same device)
R8900 Firmware· NETGEAR
95%
v < 1.0.5.26
Affected range stops below 1.0.5.26, so it looks safe — our inference, not a vendor statement
netgear-r8900 (same device)

Remediation

No guide yet

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

Patch and advisory references

References (1)

x_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://kb.netgear.com/000064491/Security-Advisory-for-Security-Misconfiguration-on-Some-Routers-Extenders-and-WiFi-Systems-PSV-2020-0427

CVSS

7.2HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card