PX4 Autopilot through 1.17.0 contains a NULL pointer dereference vulnerability in the sd_stress command where the -b byte count parameter is parsed without validation before being passed to malloc() and memset(). Attackers with shell access, including through MAVLink, can supply invalid byte count values to crash the flight controller.

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
PX4 PX4-Autopilot unaffected
Version Status Constraints
0 affected ≤ 1.17.0

No data.

No data.

No data.

Project Subscriptions

Vendors Products
Px4 Subscribe
Autopilot Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/PX4/PX4-Autopilot cve-icon cve-icon
https://github.com/PX4/PX4-Autopilot/blob/d6f12ad1c4f70ad3230afd7d86e971421e02fef4/src/systemcmds/sd_stress/sd_stress.cpp#L186-L204 cve-icon cve-icon
https://github.com/PX4/PX4-Autopilot/commit/c865dc9fde14d1391916775153aa271603c3c592 cve-icon cve-icon
https://github.com/PX4/PX4-Autopilot/pull/28795 cve-icon cve-icon
https://www.vulncheck.com/advisories/px4-autopilot-through-1.17.0-null-pointer-dereference-via-sd-stress cve-icon cve-icon
History

Tue, 29 Sep 2026 17:30:00 +0000

Type Values Removed Values Added
Description PX4 Autopilot through 1.17.0 contains a NULL pointer dereference vulnerability in the sd_stress command where the -b byte count parameter is parsed without validation before being passed to malloc() and memset(). Attackers with shell access, including through MAVLink, can supply invalid byte count values to crash the flight controller.
Title PX4 Autopilot through 1.17.0 NULL Pointer Dereference via sd_stress
First Time appeared Px4
Px4 autopilot
Weaknesses CWE-476
CPEs cpe:2.3:a:px4:autopilot:*:*:*:*:*:*:*:*
Vendors & Products Px4
Px4 autopilot
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-09-29T17:22:41.142Z

Reserved: 2026-09-29T17:11:35.728Z

Link: CVE-2026-102808

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-29T18:17:14.063

Modified: 2026-09-29T18:17:14.063

Link: CVE-2026-102808

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses