CVE-2020-17409 Auth bypass in Multiple Routers
Network-adjacent attackers can bypass authentication on NETGEAR routers to disclose stored credentials, leading to further compromise.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-17409?
CVE-2020-17409 is a medium-severity authentication bypass vulnerability in Netgear R6020 Firmware, published on 13 Oct 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-288
Which versions are affected by CVE-2020-17409?
It affects 11 products.
Products include Netgear Jnr3210 Firmware, Netgear R6020 Firmware, Netgear R6080 Firmware, Netgear R6120 Firmware, Netgear R6220 Firmware, Netgear R6230 Firmware and 5 more.
How do I fix CVE-2020-17409?
No fix has been published for CVE-2020-17409 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2020-17409 being exploited?
There is no known exploitation of CVE-2020-17409 in the wild and no public exploit code.
Sources
Also known as GHSA-x2v7-676c-4x7c.