Nuttx
Vendor:
First CVE: May 12, 2020 · Active for 6 years
9
Total CVEs
More Total CVEs than 86% of tracked products
2.3
Avg CVEs / Year
Higher CVE frequency than 73% of tracked products
9.2
Avg CVSS
Higher Avg CVSS than 85% of tracked products
0.0%
KEV Rate
Bottom 1%
Trends Over Time
The number and severity of CVEs published that impact Nuttx over time
Volume of CVEsAvg CVSS Base Score
First CVE
May 12, 2020
6 years ago
Most Recent CVE
Jan 1, 2026
204 days ago
CVE Severity & Scoring
Nuttx9 CVEs
11%
11%
78%
All CVEs352,294 CVEs
45%
40%
11%
MediumHighCritical
Attack Vector
Local0 (0.0%)
Network9 (100.0%)
Unknown0 (0.0%)
Physical0 (0.0%)
Adjacent Network0 (0.0%)
Attack Complexity
Low9 (100.0%)
High0 (0.0%)
Unknown0 (0.0%)
User Interaction
None9 (100.0%)
Unknown0 (0.0%)
Required0 (0.0%)
Privileges Required
Low2 (22.2%)
High0 (0.0%)
None7 (77.8%)
Unknown0 (0.0%)
Top CVEs
Signals from CVEs in this product scope (9 CVEs).
9 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2021-26461CRITICAL Apache Nuttx Versions prior to 10.1.0 are vulnerable to integer wrap-around in functions malloc, realloc and memalign. This improper memory assignment can lead to arbitrary memory | Jun 21, 2021 | 9.8 | 30 | NO | NO |
CVE-2020-1939CRITICAL The Apache NuttX (Incubating) project provides an optional separate "apps" repository which contains various optional components and example programs. One of these, ftpd, had a NUL | May 12, 2020 | 9.8 | 30 | NO | NO |
CVE-2020-17529CRITICAL Out-of-bounds Write vulnerability in TCP Stack of Apache NuttX (incubating) versions up to and including 9.1.0 and 10.0.0 allows attacker to corrupt memory by supplying and invalid | Dec 9, 2020 | 9.8 | 29 | NO | NO |
CVE-2025-48769HIGH Use After Free vulnerability was discovered in fs/vfs/fs_rename code of the Apache NuttX RTOS, that due recursive implementation and single buffer use by two different pointer vari | Jan 1, 2026 | 8.1 | 28 | NO | NO |
CVE-2025-35003CRITICAL 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 an | May 26, 2025 | 9.8 | 28 | NO | NO |
CVE-2025-47869CRITICAL Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability was discovered in Apache NuttX RTOS apps/exapmles/xmlrpc application. In this example applicat | Jun 16, 2025 | 9.8 | 27 | NO | NO |
CVE-2025-47868CRITICAL Out-of-bounds Write resulting in possible Heap-based Buffer Overflow vulnerability was discovered in tools/bdf-converter font conversion utility that is part of Apache NuttX RTOS r | Jun 16, 2025 | 9.8 | 25 | NO | NO |
CVE-2025-48768MEDIUM Release of Invalid Pointer or Reference vulnerability was discovered in fs/inode/fs_inoderemove code of the Apache NuttX RTOS that allowed root filesystem inode removal leading to | Jan 1, 2026 | 6.5 | 23 | NO | NO |
CVE-2020-17528CRITICAL Out-of-bounds Write vulnerability in TCP stack of Apache NuttX (incubating) versions up to and including 9.1.0 and 10.0.0 allows attacker to corrupt memory by supplying arbitrary u | Dec 9, 2020 | 9.1 | 23 | NO | NO |
Exploit Exposure
Signals from CVEs in this product scope (9 CVEs).
CISA KEV
0 CVEs
0.0% of CVEs· Bottom 1%
Metasploit
0 CVEs
0.0% of CVEs· Bottom 1%
Nuclei
0 CVEs
0.0% of CVEs· Bottom 1%
ExploitDB
0 CVEs
0.0% of CVEs· Bottom 1%
Social Chatter
Signals from CVEs in this product scope (9 CVEs).
Media Mentions
Signals from CVEs in this product scope (9 CVEs).
Top CNAs Publishing CVEs For Nuttx
Top CWEs
Versions
| Version | CVE Count | Avg CVSS | Avg EPSS | KEV | Exploits |
|---|---|---|---|---|---|
| 10.0.0 | 2 | 9.4 | 3.0% | 0 | 0 |