CVE-2020-12256: rConfig

Medium severity, CVSS 5.4. EPSS: 95.8% chance of exploitation in the next 30 days.

rConfig 3.9.4 is vulnerable to reflected XSS. The devicemgmnt.php file improperly validates user input. An attacker can exploit this by crafting arbitrary JavaScript in the deviceId GET parameter to devicemgmnt.php.

Affected products

• rConfig rConfig: version 3.9.4 only

Published 2020-05-18. Last modified 2026-06-17.