How severe is CVE-2025-54777?

CVE-2025-54777 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2025-54777 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-54777?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-54777 have an EU (EUVD) identifier?

Yes. CVE-2025-54777 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-26179.

When was CVE-2025-54777 published?

CVE-2025-54777 was published on 2025-08-29 and last updated on 2026-06-17.

CVE-2025-54777

CVE-2025-54777 is a medium-severity vulnerability with a CVSS 3.x base score of 4.3. 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-248.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v4: 5.3
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-26179
Weakness: CWE-248
Published: 2025-08-29
Last modified: 2026-06-17

Description

Uncaught exception issue exists in Multiple products in bizhub series. If a malformed file is imported as an S/MIME Email certificate, it may cause a denial-of-service issue that disable the Web Connection feature.

Frequently asked questions

What is CVE-2025-54777?: Uncaught exception issue exists in Multiple products in bizhub series. If a malformed file is imported as an S/MIME Email certificate, it may cause a denial-of-service issue that disable the Web Connection feature.
How severe is CVE-2025-54777?: CVE-2025-54777 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2025-54777 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-54777?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-54777 have an EU (EUVD) identifier?: Yes. CVE-2025-54777 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-26179.
When was CVE-2025-54777 published?: CVE-2025-54777 was published on 2025-08-29 and last updated on 2026-06-17.

References

Other CWE-248 vulnerabilities

CVE-2018-11466 — Critical (CVSS 9.8): A vulnerability has been identified in SINUMERIK 808D V4.7 (All versions), SINUMERIK 808D V4.8 (All versions),…
CVE-2024-42037 — Critical (CVSS 9.3): Vulnerability of uncaught exceptions in the Graphics module Impact: Successful exploitation of this vulnerability may…
CVE-2025-53620 — Critical (CVSS 9.2): @builder.io/qwik-city is the meta-framework for Qwik. When a Qwik Server Action QRL is executed it dynamically load the…
CVE-2026-46689 — High (CVSS 8.7): Kanidm is an identity management platform. Prior to version 1.9.3, a single unauthenticated GET to any /scim/v1/...…
CVE-2026-9509 — High (CVSS 8.7): An unhandled exception in Suprema BioStar 2 (Server), versions 2.9.8, 2.9.10, and 2.9.11, that allows an…
CVE-2025-9124 — High (CVSS 8.7): A denial-of-service security issue in the affected product. The security issue stems from a fault occurring when a…

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