CVE-2024-45038

FAUCET Score

CVE-2024-45038 is a denial-of-service vulnerability affecting Meshtastic device firmware, specifically in its MQTT handling. This flaw allows an unauthenticated attacker to disrupt the service with low complexity over the network. The vulnerability has a CVSS score of 7.5 (HIGH) due to its potential for high availability impact. While there are no known active exploits, public exploit code, or significant community discussion, users are strongly advised to update to firmware version 2.4.1 or newer, especially those using private MQTT servers.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		< 2.4.1CPE matchmatch criteria	cpe:2.3:o:meshtastic:meshtastic_firmware::::::::

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

Exploitability Score

3.9

Impact Score

3.6

CvssVersion

3.1

Exploit Intelligence

EPSS Score

0.60%

Probability of exploitation in next 30 days

EPSS Percentile

44.9%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.0060 is in the 22nd percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

github_advisoryvendor investigatingvia nvd_reference

View patch

References

github.com / meshtastic/firmware/security/advisories/GHSA-3x3r-vw9f-pxq5

Vendor Advisory