NETGEAR Orbi UA_Parser Host Name Command Injection Remote Code Execution Vulnerability
Vulnerability Details
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR Orbi routers. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the UA_Parser utility. A crafted Host Name option in a DHCP request can trigger execution of a system call composed from a user-supplied string. An attacker can leverage this vulnerability to execute code in the context of root.
Additional Details
NETGEAR has issued an update to correct this vulnerability. More details can be found at:
https://kb.netgear.com/000062507/Security-Advisory-for-Unauthenticated-Command-Injection-Vulnerability-on-Some-Extenders-and-Orbi-WiFi-Systems
Disclosure Timeline
- 2020-07-10 - Vulnerability reported to vendor
- 2020-12-15 - Coordinated public release of advisory
Credit
Shaunak Mirani
