CVE-2021-45671

6.5 MEDIUM 0.4% exploit odds Fix listed

What it is

Certain NETGEAR devices are affected by stored XSS. This affects CBR40 before 2.5.0.10, EAX80 before 1.0.1.62, EX7500 before 1.0.0.72, R7900 before 1.0.4.38, R8000 before 1.0.4.68, RAX200 before 1.0.4.120, RBS40V before 2.6.1.4, RBW30 before 2.6.1.4, MR60 before 1.0.6.110, RAX20 before 1.0.2.82, RAX45 before 1.0.2.72, RAX80 before 1.0.4.120, MS60 before 1.0.6.110, RAX15 before 1.0.2.82, RAX50 before 1.0.2.72, RAX75 before 1.0.4.120, RBR750 before 3.2.16.6, RBR850 before 3.2.16.6, RBS750 before 3.2.16.6, RBS850 before 3.2.16.6, RBK752 before 3.2.16.6, and RBK852 before 3.2.16.6.

At a glance

Exploitability: Can be exploited from the same network segment with an admin-level account, but needs a user to act. High risk of data tampering.
Exploit odds: 0.4% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2021-12-26 01:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 04:13 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.4% in the next 30 days (EPSS).
Severity: 6.5 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2021-12-26 01:15 UTC
Last modified: 2026-06-17 04:13 UTC
Exploit probability: 0.4% · EPSS, next 30 days
Weakness: CWE-79 · Cross-site scripting
Record status: Modified

Affected

Netgear rax200 Firmware < 1.0.4.120
Netgear mr60 Firmware < 1.0.6.110
Netgear rax20 Firmware < 1.0.2.82
Netgear rax45 Firmware < 1.0.2.72
Netgear rax80 Firmware < 1.0.4.120
Netgear ms60 Firmware < 1.0.6.110
Netgear rax15 Firmware < 1.0.2.82
Netgear rax50 Firmware < 1.0.2.72

Attack profile CVSS 3.1 · 6.5

Attack vector: Adjacent network
Complexity: High
Privileges needed: High
User interaction: Required
Scope: Changed
Confidentiality: Low
Integrity: High
Availability: Low

Raw vector

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

Is it in your code?

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Read https://cve-list.com/agent/cve/CVE-2021-45671.md and follow it. Check whether this project is affected by CVE-2021-45671. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record