Vulnerability · CVE-2025-53470
Out-of-bounds Read vulnerability in Apache NimBLE HCI H4 driver.
Published Jan 10, 2026 · catalog updated Jan 12, 2026 · Apache Software Foundation Apache Mynewt NimBLE
Last checked Nov 3, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2025-53470. EPSS is 0.35%. Act only if a listed version of Apache Software Foundation Apache Mynewt NimBLE is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
Same product and reporting
- CVE-2025-52435 · High
- CVE-2025-53477 · High
- CVE-2025-62235 · High
- Severity
- Low3.1
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.35%
- Remediation
- Vendor / distro source
- Affected products
- vendor Apache Software Foundation Apache Mynewt NimBLE 0 ≤1.8
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.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor Apache Software Foundation Apache Mynewt NimBLE 0 ≤1.80 ≤1.8
How to fix CVE-2025-53470
No stored fix
No vendor fix text is stored. Use the linked advisory before you change production.
Version check
Seen in 0 ≤1.8
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2025-53470. EPSS is 0.35%. Act only if a listed version of Apache Software Foundation Apache Mynewt NimBLE is installed.
Which versions are affected?
Compare what you have installed with Apache Software Foundation Apache Mynewt NimBLE 0 ≤1.8 0 ≤1.8. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.35%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
Timeline
Detection, updates, and resolution for this record.
Jan 10, 2026 · EUVD
Detected
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.
Jan 12, 2026 · EUVD
Updated
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.
Sources
- CVE.orgVulnerability recordCVE-2025-53470
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2025-53470
30-day exploitation probability 0.35%
first.org - EUVDVulnerability recordEUVD-2026-1849
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 l
euvd.enisa.europa.eu
References
Freshness
Last verified in this catalog Nov 3, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- FIRST EPSSNov 3, 2026
- CVE.orgOct 30, 2026
- EUVDOct 30, 2026