Description
PX4 autopilot is a flight control solution for drones. Prior to 1.17.0-rc2, A logic error in the PX4 Autopilot MAVLink FTP session validation uses incorrect boolean logic (&& instead of ||), allowing BurstReadFile and WriteFile operations to proceed with invalid sessions or closed file descriptors. This enables an unauthenticated attacker to put the FTP subsystem into an inconsistent state, trigger operations on invalid file descriptors, and bypass session isolation checks. This vulnerability is fixed in 1.17.0-rc2.
Scores
CVSS v3
4.3
EPSS
0.0011
EPSS Percentile
29.3%
Attack Vector
ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-670
Status
published
Products (3)
dronecode/px4_drone_autopilot
1.17.0 alpha1 (3 CPE variants)
dronecode/px4_drone_autopilot
< 1.17.0
PX4/PX4-Autopilot
< 1.17.0-rc2
Published
Mar 16, 2026
Tracked Since
Mar 16, 2026