Live › vulnerability › CVE-2017-5521
Go to dashboardMultiple NETGEAR consumer routers and network devices leak the admin password through crafted requests to their web management server. An attacker who can reach the web interface can read the admin password and take control of the device.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 19:11 UTC, 3h before NVD. All times on this page are UTC.
Apply updates per vendor instructions. If the affected device has since entered end-of-life, it should be disconnected if still in use.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| NETGEAR Multiple Devices | vendor | – | – |
| netgear r6200 firmware | vendor | = 1.0.1.56_1.0.43 | – |
| netgear r6300 firmware | vendor | = 1.0.2.78_1.0.58 | – |
| netgear vegn2610 firmware | vendor | = 1.0.0.36 | – |
| netgear ac1450 firmware | vendor | = 1.0.0.34_10.0.16 | – |
| netgear wnr1000v3 firmware | vendor | = 1.0.2.68_60.0.93 | – |
| netgear wndr3700v3 firmware | vendor | = 1.0.0.40_1.0.32 | – |
| netgear wndr4000 firmware | vendor | = 1.0.2.4_9.1.86 | – |
| netgear wndr4500 firmware | vendor | = 1.0.1.44_1.0.73 | – |
| netgear d6400 firmware | vendor | = 1.0.0.44 | – |
| netgear d6220 firmware | vendor | = 1.0.0.12 | – |
| netgear d6300 firmware | vendor | = 1.0.0.96 | – |
| netgear d6300b firmware | vendor | = 1.0.0.40 | – |
| netgear dgn2200bv4 firmware | vendor | = 1.0.0.68 | – |
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
An issue was discovered on NETGEAR R8500, R8300, R7000, R6400, R7300, R7100LG, R6300v2, WNDR3400v3, WNR3500Lv2, R6250, R6700, R6900, and R8000 devices. They are prone to password disclosure via simple crafted requests to the web management server. The bug is exploitable remotely if the remote management option is set, and can also be exploited given access to the router over LAN or WLAN. When trying to access the web panel, a user is asked to authenticate; if the authentication is canceled and password recovery is not enabled, the user is redirected to a page that exposes a password recovery token. If a user supplies the correct token to the page /passwordrecovered.cgi?id=TOKEN (and password recovery is not enabled), they will receive the admin password for the router. If password recovery is set the exploit will fail, as it will ask the user for the recovery questions that were previously set when enabling that feature. This is persistent (even after disabling the recovery option, the exploit will fail) because the router will ask for the security questions.
This page as .md · .json · in your agent: get_signal("CVE-2017-5521")
CISA KEV catalog, Creative Commons 0 · EPSS scores by FIRST, used with attribution · NVD data is provided by NIST and is public domain. Posts quoted belong to their authors.