CVE-2019-17137 Auth bypass in AC1200
Network-adjacent attackers can bypass authentication on NETGEAR AC1200 routers by inserting a null byte into path strings.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-17137?
CVE-2019-17137 is a critical authentication bypass vulnerability in NETGEAR AC1200, published on 10 Feb 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-626
Which versions are affected by CVE-2019-17137?
It affects 1 product.
Products include Netgear Ac1200 R6220 Firmware.
How do I fix CVE-2019-17137?
No fix has been published for CVE-2019-17137 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-2019-17137 being exploited?
There is no known exploitation of CVE-2019-17137 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in NETGEAR AC1200
Sources
Also known as GHSA-fhq7-6cpq-vcv8.