Security Advisory
CVE-2018-3954
CVE vulnerability detail — eXtreme Datacenter Security Operations
Description
Devices in the Linksys ESeries line of routers (Linksys E1200 Firmware Version 2.0.09 and Linksys E2500 Firmware Version 3.0.04) are susceptible to OS command injection vulnerabilities due to improper filtering of data passed to and retrieved from NVRAMData entered into the Router Name input field through the web portal is submitted to apply.cgi as the value to the machine_name POST parameter. When the preinit binary receives the SIGHUP signal it enters a code path that calls a function named set_host_domain_name from its libshared.so shared object.