How severe is CVE-2025-53470?

CVE-2025-53470 has a CVSS 3.x base score of 3.1, rated low severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2025-53470 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-53470?

CVE-2025-53470 affects Apache Nimble. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-53470?

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

Does CVE-2025-53470 have an EU (EUVD) identifier?

Yes. CVE-2025-53470 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1849.

When was CVE-2025-53470 published?

CVE-2025-53470 was published on 2026-01-10 and last updated on 2026-06-17.

CVE-2025-53470

CVE-2025-53470 is a low-severity vulnerability in Apache Nimble with a CVSS 3.x base score of 3.1. 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-125.

Key facts

Severity: Low (CVSS 3.x base score 3.1)
EPSS exploit prediction: 0% (25th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-1849
Weakness: CWE-125
Affected product: Apache Nimble
Published: 2026-01-10
Last modified: 2026-06-17

Description

Out-of-bounds Read vulnerability in Apache NimBLE HCI H4 driver. Specially crafted HCI event could lead to invalid memory read in H4 driver. This issue affects Apache NimBLE: through 1.8. This issue requires a broken or bogus Bluetooth controller and thus severity is considered low. Users are recommended to upgrade to version 1.9, which fixes the issue.

Frequently asked questions

What is CVE-2025-53470?: Out-of-bounds Read vulnerability in Apache NimBLE HCI H4 driver. Specially crafted HCI event could lead to invalid memory read in H4 driver. This issue affects Apache NimBLE: through 1.8. This issue requires a broken or bogus Bluetooth controller and thus severity is considered low. Users are recommended to upgrade to version 1.9, which fixes the issue.
How severe is CVE-2025-53470?: CVE-2025-53470 has a CVSS 3.x base score of 3.1, rated low severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2025-53470 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-53470?: CVE-2025-53470 affects Apache Nimble. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-53470?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-53470 have an EU (EUVD) identifier?: Yes. CVE-2025-53470 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1849.
When was CVE-2025-53470 published?: CVE-2025-53470 was published on 2026-01-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:apache:nimble:*:*:*:*:*:*:*:*

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