BrightSign vulnerabilities

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Published CVEs affecting BrightSign products: 2 record(s), with severity, exploitation and fixes.

BrightSign OS series 4 players 1 BrightSign OS series 5 players 1 BrightSign Digital Signage Diagnostic Web Server 1

Exploited only (KEV) →

CVE-2025-54756 High · 8.4 CWE-1392 Feb 12, 2026

BrightSign Players Use of Default Credentials

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. The latest release fixes this issue for new installations; users of old installations are encouraged to change all default passwords.

CVE-2020-36884 Medium · 6.9 Public exploit CWE-918 Dec 10, 2025

BrightSign Digital Signage Diagnostic Web Server 8.2.26 Unauthenticated SSRF

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. Attackers can specify external domains to bypass firewalls and perform network enumeration by forcing the application to make arbitrary HTTP requests to internal network hosts.