Out-of-bounds Read in Px4 Px4-Autopilot
CVE-2026-86714
PX4 Autopilot through 1.17.0 contains a stack buffer over-read vulnerability in the netman system command that fails to validate interface name length. Attackers can supply interface names of 74 bytes or more via the -i option to read beyond buffer boundaries, leaking stack memory to console output or writing it into persistent network configuration files.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L.
EPSS exploit prediction
EPSS: 0.003 (25.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 25.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/PX4/PX4-Autopilot/pull/28483 (issue-tracking, patch)
- github.com/PX4/PX4-Autopilot/commit/fec216e9d716d96d93b9d882b0c9cf00db3c6810 (patch)
- github.com/PX4/PX4-Autopilot (product)
- github.com/PX4/PX4-Autopilot/blob/v1.17.0/src/systemcmds/netman/netman.cpp (technical-description)
- www.vulncheck.com/advisories/px4-autopilot-through-1.17.0-stack-buffer-over-rea… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-86714?
- CVE-2026-86714 is a medium-severity vulnerability in Px4 Px4-Autopilot, classified under Out-of-bounds Read. CVSS score: 5.4/10. Published 2026-09-08.
- How severe is CVE-2026-86714?
- Medium severity. CVSS v3 base score is 5.4 out of 10.