medium
6.5
CWE
288
Advisory Published
Updated
Advisory Published

CVE-2020-17409: NETGEAR Multiple Routers mini_httpd Authentication Bypass Vulnerability

First published: Tue Oct 13 2020(Updated: )

This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of NETGEAR R6120, R6080, R6260, R6220, R6020, JNR3210, and WNR2020 routers with firmware 1.0.66. Authentication is not required to exploit this vulnerability. The specific flaw exists within the mini_httpd service, which listens on TCP port 80 by default. The issue results from incorrect string matching logic when accessing protected pages. An attacker can leverage this vulnerability to disclose stored credentials, leading to further compromise. Was ZDI-CAN-10754.

Credit: zdi-disclosures@trendmicro.com

Affected SoftwareAffected VersionHow to fix
NETGEAR Multiple Routers
Netgear R6020 Firmware<1.0.0.44
NETGEAR R6020
Netgear R6080 Firmware<1.0.0.44
Netgear R6080
Netgear R6120 Firmware<1.0.0.70
NETGEAR R6120
Netgear R6220 Firmware<1.1.0.100
NETGEAR R6220
Netgear R6230 Firmware<1.1.0.100
Netgear R6230
Netgear R6260 Firmware<1.1.0.76
NETGEAR R6260
Netgear R6330 Firmware<1.1.0.76
Netgear R6330
Netgear R6350 Firmware<1.1.0.76
Netgear R6350
Netgear R6850 Firmware<1.1.0.76
Netgear R6850
NETGEAR Multiple Routers
Netgear Jnr3210
Netgear Wnr2020 Firmware
Netgear Wnr2020

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Reference Links

Frequently Asked Questions

  • What is CVE-2020-17409?

    CVE-2020-17409 is a vulnerability that allows network-adjacent attackers to disclose sensitive information on affected installations of NETGEAR routers.

  • Which routers are affected by CVE-2020-17409?

    NETGEAR R6120, R6080, R6260, R6220, R6020, JNR3210, and WNR2020 routers with firmware 1.0.66 are affected by CVE-2020-17409.

  • How severe is CVE-2020-17409?

    CVE-2020-17409 has a severity score of 6.5, which is considered medium.

  • Is authentication required to exploit CVE-2020-17409?

    No, authentication is not required to exploit CVE-2020-17409.

  • How can I fix CVE-2020-17409?

    To fix CVE-2020-17409, install the latest firmware update provided by NETGEAR.

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