CVE-2021-45673

Name: CVE-2021-45673
Creator: NVD / NIST
Published: 2021-12-26T01:15:21.15+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.48%

Last modified Jun 17, 2026

CVE-2021-45673 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. Certain NETGEAR devices are affected by stored XSS. This affects R7000 before 1.0.11.110, R7900 before 1.0.4.30, R8000 before 1.0.4.62, RAX200 before 1.0.3.106, R7000P before 1.3.3.140, RAX80 before 1.0.3.106, R6900P before 1.3.3.140, and RAX75 before 1.0.3.106.. EPSS estimates a 0.48% chance of exploitation in the next 30 days.

Description

Certain NETGEAR devices are affected by stored XSS. This affects R7000 before 1.0.11.110, R7900 before 1.0.4.30, R8000 before 1.0.4.62, RAX200 before 1.0.3.106, R7000P before 1.3.3.140, RAX80 before 1.0.3.106, R6900P before 1.3.3.140, and RAX75 before 1.0.3.106.

Metrics

CVSS 3.1

5.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.48%

37.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Netgear	R7000 Firmware	< 1.0.11.110
Netgear	R7900 Firmware	< 1.0.4.30
Netgear	R8000 Firmware	< 1.0.4.62
Netgear	Rax200 Firmware	< 1.0.3.106
Netgear	R7000p Firmware	< 1.3.3.140
Netgear	Rax80 Firmware	< 1.0.3.106
Netgear	R6900p Firmware	< 1.3.3.140
Netgear	Rax75 Firmware	< 1.0.3.106

References

https://kb.netgear.com/000064456/Security-Advisory-for-Stored-Cross-Site-Scripting-on-Some-Routers-PSV-2020-0003Patch, Vendor Advisory
https://kb.netgear.com/000064456/Security-Advisory-for-Stored-Cross-Site-Scripting-on-Some-Routers-PSV-2020-0003Patch, Vendor Advisory

Timeline

Published: Dec 26, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-45673?

How severe is CVE-2021-45673?

CVE-2021-45673 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.48% probability of exploitation in the next 30 days.

How do I fix CVE-2021-45673?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-45673?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST