CVE-2024-40427: Stack Buffer Overflow in PX4-Autopilot v1.14.3, which allows attackers to execute commands to exploit this vul

Q: How do I fix CVE-2024-40427?

px4 drone autopilot: upgrade to 1.14.3. Exact commands for each OS are on this page.

Q: Is CVE-2024-40427 being exploited?

CVE-2024-40427 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-40427 affect?

CVE-2024-40427 affects px4 drone autopilot. Severity is high (CVSS 7.9). Stack Buffer Overflow in PX4-Autopilot v1.14.3, which allows attackers to execute commands to exploit this vulnerability and cause the program to refuse to execute

Q: How urgent is CVE-2024-40427?

Priority 40/100. High severity; Public exploit reference

This month

HIGH 7.9UPGRADE

CVE-2024-40427 is a high-severity flaw (CVSS 7.9) affecting px4 drone autopilot. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Stack Buffer Overflow in PX4-Autopilot v1.14.3, which allows attackers to execute commands to exploit this vulnerability and cause the program to refuse to execute

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.9 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.3% (top 72%)
CISA exploited list	No
Weakness	CWE-120
Published	2025-01-07
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: dronecode

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-01-07 19:15 UTCPublished CVE record published
2026-06-17 07:45 UTCUpdated Record last modified

dronecode px4 drone autopilot UPGRADE

Affected: < 1.14.3

Fixed in: 1.14.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy px4-drone-autopilot || rpm -q px4-drone-autopilot || px4-drone-autopilot --version

2. UPGRADE to 1.14.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade px4-drone-autopilot

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade px4-drone-autopilot

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-40427?

px4 drone autopilot: upgrade to 1.14.3. Exact commands for each OS are on this page.

Is CVE-2024-40427 being exploited?

CVE-2024-40427 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-40427 affect?

CVE-2024-40427 affects px4 drone autopilot. Severity is high (CVSS 7.9). Stack Buffer Overflow in PX4-Autopilot v1.14.3, which allows attackers to execute commands to exploit this vulnerability and cause the program to refuse to execute

How urgent is CVE-2024-40427?

Priority 40/100. High severity; Public exploit reference

Related CVEs

CVE-2025-15150 MEDIUM 5.3 UPGRADE A vulnerability was found in PX4 PX4-Autopilot up to 1.16.0
CVE-2026-32743 MEDIUM 6.5 UPGRADE PX4 is an open-source autopilot stack for drones and unmanned vehicles
CVE-2026-32724 MEDIUM 5.3 UPGRADE PX4 autopilot is a flight control solution for drones
CVE-2026-32713 MEDIUM 4.3 UPGRADE PX4 autopilot is a flight control solution for drones
CVE-2026-32709 MEDIUM 5.4 UPGRADE PX4 autopilot is a flight control solution for drones

References

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