Read the docs
TI-2026-58898 Aliases CVE-2026-86097GHSA-43c5-wgwh-x5c8

PX4 Autopilot through 1.17.0 Null Pointer Dereference via param select

Priority MEDIUM 64CWE-476Published · Updated

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

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00395 33rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

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

VendorProductAffected versionsFixed inStatusSource
PX4PX4-Autopilotup to 1.17.0—No fix listedCNA
  • PX4-Autopilot VendorPX4 Affected up to 1.17.0 Fixed in — No fix listed CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:dronecode:px4_drone_autopilot:*:*:*:*:*:*:*:*——Dronecode
  • cpe:2.3:a:dronecode:px4_drone_autopilot:*:*:*:*:*:*:*:* Versions — — ·Dronecode

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-86097
  2. 2026-10-03 Alias added: GHSA-43c5-wgwh-x5c8

References

  • 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
See all 20 →

Sources