CVE-2018-5721

CVE: CVE-2018-5721
Published: 2018-01-17T06:29Z
Vendor: asuswrt-merlin_project
Products: asuswrt-merlin
Versions: 382.1_2,
Description Language: en
Description: Stack-based buffer overflow in the ej_update_variables function in router/httpd/web.c on ASUS routers (when using software from https://github.com/RMerl/asuswrt-merlin) allows web authenticated attackers to execute code via a request that updates a setting. In ej_update_variables, the length of the variable action_script is not checked, as long as it includes a “_wan_if” substring.
References:
http://www.w0lfzhang.com/2018/01/17/ASUS-router-stack-overflow-in-http-server/