CISA KEV source record / CVE-2017-5521

NETGEAR Multiple Devices Exposure of Sensitive Information Vulnerability

NETGEAR / Multiple Devices

Known exploitation catalogNot a Secureline discoveryNot a live alert

Multiple NETGEAR devices are prone to admin password disclosure via simple crafted requests to the web management server.

CVE identifier
CVE-2017-5521
Added to KEV
Sep 8, 2022
CISA catalog dueDate
Sep 29, 2022

The dates above are catalog fields. The addition date does not establish when the vulnerability was discovered or first exploited. Confirm which requirements apply to your organisation separately.

Publisher's required action

Apply updates per vendor instructions. If the affected device has since entered end-of-life, it should be disconnected if still in use.

This wording is attributed to the CISA snapshot. Verify current vendor guidance, affected versions and your deployment before applying changes.

Keep the signals separate.

Ransomware use, as reported by CISA
Unknown
CVSS severity
Not supplied by KEV
EPSS probability
89.24%

EPSS score date: 2026-09-27T12:00:21Z. Percentile: 99.78%. Model version: v2026.06.15.

A dated estimate of exploitation probability over the following 30 days, not a severity score or a probability of a breach in your environment.

Inspect the EPSS source ↗

“Unknown” ransomware use is an unknown source field, not proof that ransomware activity has not occurred.

Source notes

https://kb.netgear.com/30632/Web-GUI-Password-Recovery-and-Exposure-Security-Vulnerability; https://nvd.nist.gov/vuln/detail/CVE-2017-5521

Source & freshness

Catalog version 2026.09.27
Source updated: Sep 27, 2026, 9:30 PM UTC
Successfully checked: Sep 27, 2026, 11:50 PM UTC
This snapshot is older than 36 hours. Check current publisher guidance.

Automated source record, not an editorial advisory or an independent discovery. No affected or fixed version is inferred, and no organisation-specific risk rating is generated.