(Pwn2Own) NETGEAR R7800 funjsq_httpd Missing Authentication for Critical Function Remote Code Execution Vulnerability
February 26th, 2021
Vulnerability Details
This vulnerability allows remote attackers to execute arbitrary code on affected installations of NETGEAR R7800. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the refresh_status.aspx endpoint. The issue results from a lack of authentication required to start a service on the server. 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/000062883/Security-Advisory-for-Multiple-Vulnerabilities-on-Some-Routers-Satellites-and-Extenders
Disclosure Timeline
- 2020-12-31 - Vulnerability reported to vendor
- 2021-02-26 - Coordinated public release of advisory
Credit
STARLabs
