BrightSign Digital Signage Diagnostic Web Server 8.2.26 and less contains an unauthenticated server-side request forgery vulnerability in the 'url' GET parameter of the Download Speed Test service.
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.
BrightSign players running BrightSign OS series 4 prior to v8.5.53.1 or series 5 prior to v9.0.166 use a default password that is guessable with knowledge of the device information.
CVSS 4.0HIGH 8.6·Local·No auth·No interaction·EPSS 0.00147·Published 2026-02-12·Fixed in v8.5.53.1, v9.0.166CWE-1392
BrightSign players running BrightSign OS series 4 prior to v8.5.53.1 or series 5 prior to v9.0.166 contain an execution with unnecessary privileges vulnerability, allowing for privilege escalation on the device once code…
CVSS 4.0HIGH 8.5·Local·Low privileges·No interaction·EPSS 0.00194·Published 2025-05-07·Fixed in v8.5.53.1, v9.0.166CWE-250
The BrightSign Digital Signage (4k242) device (Firmware 6.2.63 and below) has XSS via the REF parameter to /network_diagnostics.html or /storage_info.html.