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CVE-2020-17409

Medium

Description

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.

SeverityMedium
CVSS6.5
Exploit probability—
ProductNetgear R6020 Firmware
PublishedOct 13, 2020
First seenOct 13, 2020
Weakness typeCWE-288CWE-288

How to fix

Update
  • netgear r6020_firmware1.0.0.44 or later
  • netgear r6080_firmware1.0.0.44 or later
  • netgear r6120_firmware1.0.0.70 or later
  • netgear r6220_firmware1.1.0.100 or later
  • netgear r6230_firmware1.1.0.100 or later
  • netgear r6260_firmware1.1.0.76 or later
  • netgear r6330_firmware1.1.0.76 or later
  • netgear r6350_firmware1.1.0.76 or later
  • netgear r6850_firmware1.1.0.76 or later

Affected products

ProductAffected versionsFixed in
netgear r6020_firmwarev < 1.0.0.441.0.0.44
netgear r6080_firmwarev < 1.0.0.441.0.0.44
netgear r6120_firmwarev < 1.0.0.701.0.0.70
netgear r6220_firmwarev < 1.1.0.1001.1.0.100
netgear r6230_firmwarev < 1.1.0.1001.1.0.100
netgear r6260_firmwarev < 1.1.0.761.1.0.76
netgear r6330_firmwarev < 1.1.0.761.1.0.76
netgear r6350_firmwarev < 1.1.0.761.1.0.76
netgear r6850_firmwarev < 1.1.0.761.1.0.76
netgear jnr3210_firmwareNo range specified—
netgear wnr2020_firmwareNo range specified—

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