CVE-2019-17137: NETGEAR AC1200 mini_httpd Poison Null Byte Authentication Bypass Vulnerability
This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of NETGEAR AC1200 R6220 Firmware version 1.1.0.86 Smart WiFi Router. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of path strings. By inserting a null byte into the path, the user can skip most authentication checks. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-8616.
Other sources
This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of NETGEAR AC1200 Smart WiFi Router. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of path strings. By inserting a null byte into the path, the user can skip most authentication checks. An attacker can leverage this vulnerability to bypass authentication on the system.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2019-17137?
The severity of CVE-2019-17137 is considered high due to the potential for network-adjacent attackers to bypass authentication.
How do I fix CVE-2019-17137?
To fix CVE-2019-17137, update the NETGEAR AC1200 R6220 firmware to the latest version provided by NETGEAR.
What products are affected by CVE-2019-17137?
CVE-2019-17137 affects the NETGEAR AC1200 R6220 with firmware version 1.1.0.86.
Can CVE-2019-17137 be exploited remotely?
CVE-2019-17137 requires network-adjacent access, meaning an attacker must be on the same local network to exploit it.
Does CVE-2019-17137 require authentication to exploit?
No, CVE-2019-17137 does not require authentication, allowing attackers to exploit the vulnerability easily.