Skip to content
Fencer Intel
high 7.9

CVE-2024-40427 json

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

published last yr. modified 4mo ago also EUVD-2024-38810

cvss
7.9
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 28%
public exploits
0
none known

Summary

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

Patch / fix

  • dronecode px4_drone_autopilot 1.14.3

Is CVE-2024-40427 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
last yr.

Exploit prediction

0.35% chance of exploitation in the next 30 days, higher than 28% of all scored CVEs (FIRST EPSS, 2026-11-11).

Exploits and checks

  • github.com https://github.com/PX4/PX4-Autopilot/security/advisories/GHSA-55wq-2hgm-75m4 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.9 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:H
CNA 3.1 7.9 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:H

Classification

Weakness
  • CWE-120 Buffer Copy without Checking Size of Input

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.