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CVE-2021-45665

MEDIUM
4.8
CVSS Score
Published: December 26, 2021 at 12:26 AM UTC
Updated: June 17, 2026 at 04:13 AM UTC
30 products affected across 1 vendorRBR850 FirmwareRBS850 FirmwareRBK852 Firmware

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Severity
MEDIUM4.8
Exploit prediction
EPSS 0.4%

Description

Certain NETGEAR devices are affected by stored XSS. This affects EAX20 before 1.0.0.36, EAX80 before 1.0.1.62, EX3700 before 1.0.0.90, EX3800 before 1.0.0.90, EX6120 before 1.0.0.64, EX6130 before 1.0.0.44, EX7500 before 1.0.0.72, RBW30 before 2.6.1.4, 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, and RBS40V before 2.6.1.4.

Affected

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

EAX20 Firmware· NETGEAR
95%
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)
EAX80 Firmware· NETGEAR
95%
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)
EX3700 Firmware· NETGEAR
95%
v < 1.0.0.90
Affected range stops below 1.0.0.90, so it looks safe — our inference, not a vendor statement
EX3800 Firmware· NETGEAR
95%
v < 1.0.0.90
Affected range stops below 1.0.0.90, so it looks safe — our inference, not a vendor statement
netgear-ex3800 (same device)
EX6120 Firmware· NETGEAR
95%
v < 1.0.0.64
Affected range stops below 1.0.0.64, so it looks safe — our inference, not a vendor statement
EX6130 Firmware· NETGEAR
95%
v < 1.0.0.44
Affected range stops below 1.0.0.44, so it looks safe — our inference, not a vendor statement
netgear-ex6130 (same device)
EX7500 Firmware· NETGEAR
95%
v < 1.0.0.72
Affected range stops below 1.0.0.72, so it looks safe — our inference, not a vendor statement
netgear-ex7500 (same device)
RBK752 Firmware· NETGEAR
95%
v < 3.2.16.6
Affected range stops below 3.2.16.6, so it looks safe — our inference, not a vendor statement
netgear-rbk752 (same device)
RBK852 Firmware· NETGEAR
95%
v < 3.2.16.6
Affected range stops below 3.2.16.6, so it looks safe — our inference, not a vendor statement
netgear-rbk852 (same device)
RBR750 Firmware· NETGEAR
95%
v < 3.2.16.6
Affected range stops below 3.2.16.6, so it looks safe — our inference, not a vendor statement
netgear-rbr750 (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/000064120/Security-Advisory-for-Stored-Cross-Site-Scripting-on-Some-Extenders-and-WiFi-Systems-PSV-2020-0247

CVSS

4.8MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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