7.9

CVE-2024-40427: dronecode px4_drone_autopilot Classic Buffer Overflow

CVSS: 7.9v3.1HighAnalyzed
Published 07-01-2025Last modified 08-01-2025

Vulnerability summary

CVE-2024-40427 is a high (CVSS 7.9) Classic Buffer Overflow vulnerability in dronecode px4_drone_autopilot. EPSS estimates a 0.35% chance of exploitation in the next 30 days, higher than 27% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
42/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.9/10
010
High · v3.1 (CVE.org)
EPSS score
0.35%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 07-01-2025
    PublishedVulnerability first disclosed.
  2. 08-01-2025
    Last modifiedVulnerability information updated.

Description

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

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.35%

Chance of exploitation in the next 30 days

Percentile

27%

Versus all other CVEs

30-day change

0.00 pp

From 0.35% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.35%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Px4 Autopilot

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Dronecode1 product

1 vendor · 1 product

References

2 links