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.
Conclusion & alert: CVE-2025-35003 is rated High Exploit Risk (78/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 0.53%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-03-22 | 0.15% | 0.53% | +0.38% |
| 2 | 2025-12-30 | 0.11% | 0.15% | +0.05% |
| 3 | 2025-11-21 | — | 0.11% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| URL | Tags |
|---|---|
| https://github.com/apache/nuttx/pull/16179 | Exploit Issue Tracking Patch |
| https://lists.apache.org/thread/k4xzz3jhkx48zxw9vwmqrmm4hmg78vsj | Mailing List |
| http://www.openwall.com/lists/oss-security/2025/05/26/1 | Mailing List |