CVE-2018-3954

published 2018-10-17

CVE-2018-3954: 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…

high 7.2 CVSS 3.1

AV N AC L PR H UI N S U C H I H A H

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.

Affected

4 ranges

Vendor	Product	Version range	Fixed in
linksys	e1200_firmware	—	—
linksys	e2500_firmware	—	—
linksys	eseries_e1200	—	—
linksys	eseries_e2500	—	—

CWE-78