CVE-2017-17739: Brightsign 4k242 Firmware

Critical severity, CVSS 9.8. EPSS: 11.9% chance of exploitation in the next 30 days.

The BrightSign Digital Signage (4k242) device (Firmware 6.2.63 and below) has directory traversal via the /storage.html rp parameter, allowing an attacker to read or write to files.

Affected products

• Brightsign 4k242 Firmware: up to and including 6.2.63

Published 2017-12-18. Last modified 2026-06-17.