CVE-2026-32705 | BDVDB-2026-320540 Detail

PX4PX4-Autopilot

Description#

PX4 autopilot is a flight control solution for drones. Prior to 1.17.0-rc2, the BST telemetry probe writes a string terminator using a device-provided length without bounds. A malicious BST device can report an oversized dev_name_len, causing a stack overflow in the driver and crashing the task (or enabling code execution). This vulnerability is fixed in 1.17.0-rc2.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: physical.

Weaknesses#

CWE-121 Stack-based Buffer Overflow

References#

https://github.com/PX4/PX4-Autopilot/security/advisories/GHSA-79mp-34pp-2f3f

Exploit#

No public exploit known

History#

Version 12026-03-13Record published in the CVE List.
Version 22026-03-17Most recent update recorded in the CVE List.

Published

Published: 2026-03-13
Last modified: 2026-03-17

Vendor information

Vendor: PX4
Product: PX4-Autopilot

All PX4 vulnerabilities

Score

6.8 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 24.1.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 1.17.0-rc2
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

6.8 Medium

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Metric breakdown
Attack Vector	Physical
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).