Buffer overflow in Px4 Px4-autopilot
CVE-2026-32705
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, caus…
Vulnerability class: Buffer Overflow
EPSS: 0.000 (10.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Px4 Px4-autopilot — versions < 1.17.0-rc2
Weakness classification (CWE)
References
- https://github.com/PX4/PX4-Autopilot/security/advisories/GHSA-79mp-34pp-2f3f (x_refsource_CONFIRM)
Frequently asked questions
- What is CVE-2026-32705?
- CVE-2026-32705 is a medium-severity vulnerability in Px4 Px4-autopilot, classified under Stack-based Buffer Overflow. CVSS score: 6.8/10. Published 2026-03-13.
- How severe is CVE-2026-32705?
- Medium severity. CVSS v3 base score is 6.8 out of 10.