CVE-2018-21229

6.5 MEDIUM 0.5% exploit odds Fix listed

What it is

Certain NETGEAR devices are affected by incorrect configuration of security settings. This affects R7500v2 before 1.0.3.20, R7800 before 1.0.2.38, WN3000RPv3 before 1.0.2.50, WNDR4300v2 before 1.0.0.50, and WNDR4500v3 before 1.0.0.50.

At a glance

Exploitability: Can be exploited from the same network segment without logging in. High risk of data exposure.
Exploit odds: 0.5% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2020-04-24 15:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 01:54 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.5% in the next 30 days (EPSS).
Severity: 6.5 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2020-04-24 15:15 UTC
Last modified: 2026-06-17 01:54 UTC
Exploit probability: 0.5% · EPSS, next 30 days
Record status: Modified

Affected

Netgear r7500 Firmware < 1.0.3.20
Netgear r7800 Firmware < 1.0.2.38
Netgear wn3000rp Firmware < 1.0.2.50
Netgear wndr4300 Firmware < 1.0.0.50
Netgear wndr4500 Firmware < 1.0.0.50

Attack profile CVSS 3.1 · 6.5

Attack vector: Adjacent network
Complexity: Low
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: None
Availability: None

Raw vector

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

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2018-21229.md and follow it. Check whether this project is affected by CVE-2018-21229. 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