How severe is CVE-2025-35003?

CVE-2025-35003 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-35003 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-35003?

CVE-2025-35003 affects Apache Nuttx. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-35003?

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

Does CVE-2025-35003 have an EU (EUVD) identifier?

Yes. CVE-2025-35003 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-16334.

When was CVE-2025-35003 published?

CVE-2025-35003 was published on 2025-05-26 and last updated on 2026-06-17.

CVE-2025-35003

CVE-2025-35003 is a critical-severity vulnerability in Apache Nuttx with a CVSS 3.x base score of 9.8. 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-119.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-16334
Weakness: CWE-119
Affected product: Apache Nuttx
Published: 2025-05-26
Last modified: 2026-06-17

Description

Improper Restriction of Operations within the Bounds of a Memory Buffer and Stack-based Buffer Overflow vulnerabilities were discovered in Apache NuttX RTOS Bluetooth Stack (HCI and UART components) that may result in system crash, denial of service, or arbitrary code execution, after receiving maliciously crafted packets. NuttX's Bluetooth HCI/UART stack users are advised to upgrade to version 12.9.0, which fixes the identified implementation issues. This issue affects Apache NuttX: from 7.25 before 12.9.0.

Frequently asked questions

What is CVE-2025-35003?: Improper Restriction of Operations within the Bounds of a Memory Buffer and Stack-based Buffer Overflow vulnerabilities were discovered in Apache NuttX RTOS Bluetooth Stack (HCI and UART components) that may result in system crash, denial of service, or arbitrary code execution, after receiving maliciously crafted packets. NuttX's Bluetooth HCI/UART stack users are advised to upgrade to version 12.9.0, which fixes the identified implementation issues. This issue affects Apache NuttX: from 7.25 before 12.9.0.
How severe is CVE-2025-35003?: CVE-2025-35003 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-35003 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-35003?: CVE-2025-35003 affects Apache Nuttx. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-35003?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-35003 have an EU (EUVD) identifier?: Yes. CVE-2025-35003 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-16334.
When was CVE-2025-35003 published?: CVE-2025-35003 was published on 2025-05-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:apache:nuttx:*:*:*:*:*:*:*:*

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