CVE-2017-18378: NETGEAR Readynas Surveillance Firmware

Critical severity, CVSS 9.8. EPSS: 8.2% chance of exploitation in the next 30 days.

In NETGEAR ReadyNAS Surveillance before 1.4.3-17 x86 and before 1.1.4-7 ARM, $_GET['uploaddir'] is not escaped and is passed to system() through $tmp_upload_dir, leading to upgrade_handle.php?cmd=writeuploaddir remote command execution.

Affected products

• NETGEAR Readynas Surveillance Firmware: before 1.1.4-7 (fixed in 1.1.4-7); before 1.4.3-17 (fixed in 1.4.3-17)

Published 2019-06-11. Last modified 2026-06-17.