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CVE-2021-45668

MEDIUM
4.8
CVSS Score
Published: December 26, 2021 at 12:25 AM UTC
Updated: June 17, 2026 at 04:13 AM UTC
34 products affected across 1 vendorR8000P FirmwareR7900P FirmwareRAX80 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 1.0.0.48, EAX80 before 1.0.1.64, 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, R7960P before 1.4.1.66, R7900P before 1.4.1.66, R8000P before 1.4.1.66, RAX15 before 1.0.2.82, RAX20 before 1.0.2.82, RAX200 before 1.0.3.106, RAX45 before 1.0.2.72, RAX50 before 1.0.2.72, RAX75 before 1.0.3.106, and RAX80 before 1.0.3.106.

Affected

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

EAX20 Firmware· NETGEAR
95%
v < 1.0.0.48
Affected range stops below 1.0.0.48, so it looks safe — our inference, not a vendor statement
netgear-eax20 (same device)
EAX80 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-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)
R7900P Firmware· NETGEAR
95%
v < 1.4.1.66
Affected range stops below 1.4.1.66, so it looks safe — our inference, not a vendor statement
netgear-r7900p (same device)
R7960P Firmware· NETGEAR
95%
v < 1.4.1.66
Affected range stops below 1.4.1.66, so it looks safe — our inference, not a vendor statement
netgear-r7960p (same device)
R8000P Firmware· NETGEAR
95%
v < 1.4.1.66
Affected range stops below 1.4.1.66, so it looks safe — our inference, not a vendor statement
netgear-r8000p (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/000064122/Security-Advisory-for-Stored-Cross-Site-Scripting-on-Some-Routers-and-Extenders-PSV-2020-0257

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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