CVE-2019-16662: rConfig

Critical severity, CVSS 9.8. EPSS: 97.7% chance of exploitation in the next 30 days.

An issue was discovered in rConfig 3.9.2. An attacker can directly execute system commands by sending a GET request to ajaxServerSettingsChk.php because the rootUname parameter is passed to the exec function without filtering, which can lead to command execution.

Affected products

• rConfig rConfig: version 3.9.2 only

Published 2019-10-28. Last modified 2026-06-17.