{"id":"CVE-2025-54756","state":"PUBLISHED","title":"BrightSign Players Use of Default Credentials","description":"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.","publishedAt":"2026-02-12T16:34:18.821Z","updatedAt":"2026-02-12T18:45:20.986Z","severity":{"score":8.6,"label":"High","version":"4.0","vector":"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","source":"icscert"},"assigner":"icscert","products":["BrightSign BrightSign OS series 4 players","BrightSign BrightSign OS series 5 players"],"affected":[{"vendor":"BrightSign","product":"BrightSign OS series 4 players","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"v8.5.53.1","versionType":"custom"}]},{"vendor":"BrightSign","product":"BrightSign OS series 5 players","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"v9.0.166","versionType":"custom"}]}],"references":["https://www.cisa.gov/news-events/ics-advisories/icsa-25-126-03","https://www.brightsign.biz/resources/software-downloads/","https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2025/icsa-25-126-03.json"],"weaknesses":["CWE-1392"],"ingestedAt":"2026-10-29T20:09:31.862Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/54xxx/CVE-2025-54756.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-54756","state":"PUBLISHED","datePublished":"2026-02-12T16:34:18.821Z","dateUpdated":"2026-02-12T18:45:20.986Z","assignerShortName":"icscert","assignerOrgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","dateReserved":"2025-07-30T19:03:10.145Z"},"containers":{"cna":{"title":"BrightSign Players Use of Default Credentials","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."}],"affected":[{"vendor":"BrightSign","product":"BrightSign OS series 4 players","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"v8.5.53.1","versionType":"custom"}]},{"vendor":"BrightSign","product":"BrightSign OS series 5 players","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"v9.0.166","versionType":"custom"}]}],"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"}],"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":{"shortName":"icscert","orgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","dateUpdated":"2026-02-12T16:35:09.037Z"},"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."}],"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"},"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":[{"title":"CISA ADP Vulnrichment","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"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-02-12T18:45:20.986Z"}}]}}}