CVE-2026-86097
PX4 Autopilot through 1.17.0 Null Pointer Dereference via param select
- State
- Published
- Severity
- 7.1 High
- Published
- Sep 4, 2026
- Updated
- Sep 8, 2026
- Reserved
- Sep 4, 2026
Description
PX4 Autopilot through 1.17.0 contains a null pointer dereference vulnerability in param_set_default_file() and param_set_backup_file() functions that allows attackers to crash the autopilot process. Attackers can invoke 'param select' or 'param select-backup' commands with no path argument from any PX4 shell to trigger the crash.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 7.1 High | CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 6.5 Medium | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | VulnCheck |
Weaknesses
- CWE-476 NULL Pointer Dereference
Affected Products
| Product | Versions |
|---|---|
PX4-AutopilotPX4 |
|
References
- Fix Pull Requestpatchissue-tracking
- Patch Commitpatch
- https://github.com/PX4/PX4-Autopilotproduct
- param_set_default_file()/param_set_backup_file() unguarded strcmp, v1.17.0technical-description
- VulnCheck Advisory: PX4 Autopilot through 1.17.0 Null Pointer Dereference via param selectthird-party-advisory
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