CVE-2025-54756

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.

CVSS v3 8.4 HIGH

8.4^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.5 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2025/icsa-25-126-03.json
https://www.brightsign.biz/resources/software-downloads/
https://www.cisa.gov/news-events/ics-advisories/icsa-25-126-03

Configurations

No configuration.

History

15 Apr 2026, 00:35

Type	Values Removed	Values Added
Summary		(es) Los reproductores BrightSign que ejecutan BrightSign OS serie 4 anterior a la v8.5.53.1 o serie 5 anterior a la v9.0.166 utilizan una contraseña predeterminada que es adivinable con el conocimiento de la información del dispositivo. La última versión soluciona este problema para las nuevas instalaciones; se recomienda a los usuarios de instalaciones antiguas que cambien todas las contraseñas predeterminadas.

12 Feb 2026, 17:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-02-12 17:16

Updated : 2026-04-15 00:35

NVD link : CVE-2025-54756

Mitre link : CVE-2025-54756

CVE.ORG link : CVE-2025-54756

JSON object : View

Products Affected

No product.

CWE

CWE-1392

Use of Default Credentials

{"id": "CVE-2025-54756", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "ics-cert@hq.dhs.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.4, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.5}], "cvssMetricV40": [{"type": "Secondary", "source": "ics-cert@hq.dhs.gov", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 8.6, "Automatable": "NOT_DEFINED", "attackVector": "LOCAL", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "published": "2026-02-12T17:16:04.793", "references": [{"url": "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2025/icsa-25-126-03.json", "source": "ics-cert@hq.dhs.gov"}, {"url": "https://www.brightsign.biz/resources/software-downloads/", "source": "ics-cert@hq.dhs.gov"}, {"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-25-126-03", "source": "ics-cert@hq.dhs.gov"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "ics-cert@hq.dhs.gov", "description": [{"lang": "en", "value": "CWE-1392"}]}], "descriptions": [{"lang": "en", "value": "BrightSign players running BrightSign OS series 4 prior to v8.5.53.1 or \nseries 5 prior to v9.0.166 use a default password that is guessable with\n knowledge of the device information. The latest release fixes this \nissue for new installations; users of old installations are encouraged \nto change all default passwords."}, {"lang": "es", "value": "Los reproductores BrightSign que ejecutan BrightSign OS serie 4 anterior a la v8.5.53.1 o serie 5 anterior a la v9.0.166 utilizan una contrase\u00f1a predeterminada que es adivinable con el conocimiento de la informaci\u00f3n del dispositivo. La \u00faltima versi\u00f3n soluciona este problema para las nuevas instalaciones; se recomienda a los usuarios de instalaciones antiguas que cambien todas las contrase\u00f1as predeterminadas."}], "lastModified": "2026-04-15T00:35:42.020", "sourceIdentifier": "ics-cert@hq.dhs.gov"}