CVE-2026-32706: PX4 autopilot is a flight control solution for drones

Q: How do I fix CVE-2026-32706?

px4 drone autopilot: upgrade to 1.17.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-32706 being exploited?

CVE-2026-32706 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-2026-32706 affect?

CVE-2026-32706 affects px4 drone autopilot. Severity is high (CVSS 7.1). PX4 autopilot is a flight control solution for drones. Prior to 1.17.0-rc2, The crsf_rc parser accepts an oversized variable-length known packet and copies it into a fixed 64-byte global buffer without a bounds check. In deployments where c

Q: How urgent is CVE-2026-32706?

Priority 36/100. High severity; Public exploit reference

Routine

HIGH 7.1UPGRADE

CVE-2026-32706 is a high-severity flaw (CVSS 7.1) affecting px4 drone autopilot. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

PX4 autopilot is a flight control solution for drones. Prior to 1.17.0-rc2, The crsf_rc parser accepts an oversized variable-length known packet and copies it into a fixed 64-byte global buffer without a bounds check. In deployments where crsf_rc is enabled on a CRSF serial port, an adjacent/raw-serial attacker can trigger memory corruption and crash PX4. This vulnerability is fixed in 1.17.0-rc2.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.1 (High)
Attack vector	Adjacent network
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 75%)
CISA exploited list	No
Weakness	CWE-120, CWE-787
Published	2026-03-16
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: dronecode

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

Am I affected?

Timeline

2026-03-16 14:19 UTCPublished CVE record published
2026-06-17 10:36 UTCUpdated Record last modified

dronecode px4 drone autopilot UPGRADE

Affected: < 1.17.0 · 1.17.0 alpha1 · 1.17.0 beta1 · 1.17.0 rc1

Fixed in: 1.17.0

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 1.17.0 (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-2026-32706?

px4 drone autopilot: upgrade to 1.17.0. Exact commands for each OS are on this page.

Is CVE-2026-32706 being exploited?

CVE-2026-32706 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-2026-32706 affect?

CVE-2026-32706 affects px4 drone autopilot. Severity is high (CVSS 7.1). PX4 autopilot is a flight control solution for drones. Prior to 1.17.0-rc2, The crsf_rc parser accepts an oversized variable-length known packet and copies it into a fixed 64-byte global buffer without a bounds check. In deployments where c

How urgent is CVE-2026-32706?

Priority 36/100. 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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