CVE-2026-102809: PX4 Autopilot through 1.17.0 Stack Exhaustion via tests file2 Command
PX4 Autopilot through 1.17.0 contains an uncontrolled stack allocation vulnerability in the file2 test command that fails to validate the write chunk size parameter. Attackers with shell access can supply an excessively large value to the -c option to trigger stack overflow and crash the flight controller.
Affected Software
Event History
Frequently Asked Questions
Who is exposed to this vulnerability?
PX4 Autopilot deployments running versions through 1.17.0 are exposed if an attacker can obtain shell access to the flight controller and invoke the file2 test command.
What does an attacker need to do to trigger the crash?
The attacker needs shell access and must provide an excessively large write chunk size through the file2 command's -c option. The command does not validate this parameter before making a stack allocation.
What is the likely impact of successful exploitation?
Successful exploitation can exhaust the stack and crash the flight controller. The provided information identifies availability impact only; it does not indicate confidentiality or integrity impact.