How severe is CVE-2025-54756?

CVE-2025-54756 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-54756 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-54756?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-54756 have an EU (EUVD) identifier?

Yes. CVE-2025-54756 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-207245.

When was CVE-2025-54756 published?

CVE-2025-54756 was published on 2026-02-12 and last updated on 2026-06-17.

CVE-2025-54756

CVE-2025-54756 is a high-severity vulnerability with a CVSS 3.x base score of 8.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1392.

Key facts

Severity: High (CVSS 3.x base score 8.4)
CVSS v4: 8.6
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-207245
Weakness: CWE-1392
Published: 2026-02-12
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2025-54756?: CVE-2025-54756 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-54756 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-54756?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-54756 have an EU (EUVD) identifier?: Yes. CVE-2025-54756 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-207245.
When was CVE-2025-54756 published?: CVE-2025-54756 was published on 2026-02-12 and last updated on 2026-06-17.

References

Other CWE-1392 vulnerabilities

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