CVE-2020-17409: NETGEAR Multiple Routers mini_httpd Authentication Bypass Vulnerability
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 minihttpd 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.
Other sources
This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of NETGEAR R6120, R6080, R6260, R6220, R6020, JNR3210, and WNR2020 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the minihttpd 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.
Affected Software
Remediation
Event History
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.