PX4 Autopilot through 1.17.0 Null Pointer Dereference via param select
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-476.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-86097
- 2026-10-03 Alias added: GHSA-43c5-wgwh-x5c8
References
More PX4 vulnerabilities
- TI-2023-24883 PX4-Autopilot Heap Buffer Overflow Bug CVSS 3.1CRITICAL 9.8
- TI-2026-25200 Zenoh uORB Subscriber Allows Arbitrary Stack Allocation (PX4/PX4-Autopilot) CVSS 3.1HIGH 8.0
- TI-2026-25198 PX4 autopilot has a global buffer overflow in crsf_rc via oversized variable-length known packet CVSS 3.1HIGH 8.1
- TI-2026-25197 PX4 autopilot BST Device Name Length Can Overflow Driver Buffer CVSS 3.1MEDIUM 6.8
- TI-2026-65506 PX4 Autopilot through 1.17.0 Stack Exhaustion via tests file2 Command CVSS 4.0HIGH 7.1
- TI-2026-59272 PX4 Autopilot through 1.17.0 Use-After-Free in load_mon CVSS 4.0HIGH 7.1
Sources
- CVE-2026-86097 · CVE Program
- CVE-2026-86097 · NVD
- FIRST EPSS
- GHSA-43c5-wgwh-x5c8 · GitHub Advisory Database · CC BY 4.0
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