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vuln-cve/data/2025/54xxx/CVE-2025-54756.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2025-54756",
"assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
"state": "PUBLISHED",
"assignerShortName": "icscert",
"dateReserved": "2025-07-30T19:03:10.145Z",
"datePublished": "2026-02-12T16:34:18.821Z",
"dateUpdated": "2026-02-12T18:45:20.986Z"
},
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "BrightSign OS series 4 players",
"vendor": "BrightSign",
"versions": [
{
"lessThan": "v8.5.53.1",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unaffected",
"product": "BrightSign OS series 5 players",
"vendor": "BrightSign",
"versions": [
{
"lessThan": "v9.0.166",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Adam Merrill, a member of the Adversarial Modeling and Penetration Testing (AMPT) team at Sandia National Laboratories, reported this vulnerability to CISA."
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"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."
}
],
"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."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 8.4,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
},
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "LOCAL",
"baseScore": 8.6,
"baseSeverity": "HIGH",
"exploitMaturity": "NOT_DEFINED",
"privilegesRequired": "NONE",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"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",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-1392",
"description": "CWE-1392",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
"shortName": "icscert",
"dateUpdated": "2026-02-12T16:35:09.037Z"
},
"references": [
{
"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-25-126-03"
},
{
"url": "https://www.brightsign.biz/resources/software-downloads/"
},
{
"url": "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2025/icsa-25-126-03.json"
}
],
"solutions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "<div>\n</div>\nBrightSign fixed CVE-2025-54756 in v8.5.53.1 (for \nseries 4 players) and v9.0.166 (for series 5 players). Both of these \nhave been released and are available on the BrightSign download site.\n\n<div><a target=\"_blank\" rel=\"nofollow\" href=\"https://www.brightsign.biz/contact-us/\"></a>\n\n<br></div>"
}
],
"value": "BrightSign fixed CVE-2025-54756 in v8.5.53.1 (for \nseries 4 players) and v9.0.166 (for series 5 players). Both of these \nhave been released and are available on the BrightSign download site.\n\n https://www.brightsign.biz/contact-us/"
}
],
"source": {
"advisory": "ICSA-25-126-03",
"discovery": "EXTERNAL"
},
"title": "BrightSign Players Use of Default Credentials",
"workarounds": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "<p>BrightSign recommends the following security practices:</p>\n<ul>\n<li>Change default passwords when the device is initially set up.</li>\n<li>Disable the local DWS as described in \"High Security settings\".</li>\n<li>Disable the SSH/telnet server when not being used - it is not enabled by default.</li>\n<li>Devices should be located where an attacker does not have physical access to the device.</li>\n<li>SD and USB ports can be disabled if not needed.</li>\n</ul>\n<p>For more information, please <a target=\"_blank\" rel=\"nofollow\" href=\"https://www.brightsign.biz/contact-us/\">contact BrightSign via their website.</a></p>\n\n<br>"
}
],
"value": "BrightSign recommends the following security practices:\n\n\n\n * Change default passwords when the device is initially set up.\n\n * Disable the local DWS as described in \"High Security settings\".\n\n * Disable the SSH/telnet server when not being used - it is not enabled by default.\n\n * Devices should be located where an attacker does not have physical access to the device.\n\n * SD and USB ports can be disabled if not needed.\n\n\n\n\nFor more information, please contact BrightSign via their website. https://www.brightsign.biz/contact-us/"
}
],
"x_generator": {
"engine": "Vulnogram 0.2.0"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-02-12T18:44:52.091544Z",
"id": "CVE-2025-54756",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-02-12T18:45:20.986Z"
}
}
]
}
}
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