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CVE-2026-32706

PX4 autopilot has a global buffer overflow in crsf_rc via oversized variable-length known packet

Published: Mar 13, 2026Updated: Mar 17, 2026 Sources: CVE List NVDCWE-120
NVD MITRE
7.1CVSSHIGH
EPSS Score
0.3%
Top 77.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

PX4 autopilot is a flight control solution for drones. Prior to 1.17.0-rc2, The crsf_rc parser accepts an oversized variable-length known packet and copies it into a fixed 64-byte global buffer without a bounds check. In deployments where crsf_rc is enabled on a CRSF serial port, an adjacent/raw-serial attacker can trigger memory corruption and crash PX4. This vulnerability is fixed in 1.17.0-rc2.

CVSS Vector Breakdown

AV:AAC:LPR:NUI:NS:UC:NI:LA:H
Exploitability
AV:AAttack Vector
Adjacent
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:LIntegrity
Low
A:HAvailability
High
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Weaknesses

CWE-120CWE-787

Affected Products

PX4-AutopilotPX4
Embedded
ICS / OT / IoT / industrial-network
px4 drone autopilotdronecode
Embedded
ICS / OT / IoT / industrial-network
px4oss-projectICS / OT / IoTaka px4-autopilot, autopilot, mavlink
dronecodeoss-projectICS / OT / IoT

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://github.com/PX4/PX4-Autopilot/security/advisories/GHSA-mqgj-hh4g-fg5p
github.com

Timeline

Published
Mar 13, 2026
Last Updated
Mar 17, 2026

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