HOMEVULNERABILITIESCVE-2024-45038
HIGH

CVE-2024-45038

CWE-755Published: August 27, 2024· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

Meshtastic device firmware is a firmware for meshtastic devices to run an open source, off-grid, decentralized, mesh network built to run on affordable, low-power devices. Meshtastic device firmware is subject to a denial of serivce vulnerability in MQTT handling, fixed in version 2.4.1 of the Meshtastic firmware and on the Meshtastic public MQTT Broker. It's strongly suggested that all users of Meshtastic, particularly those that connect to a privately hosted MQTT server, update to this or a more recent stable version right away. There are no known workarounds for this vulnerability.

NVD Source

Technical Analysis

CVE-2024-45038 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

meshtastic1 product(s)
meshtastic firmware
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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Official Patches & Advisories

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

All References (1)

→
https://github.com/meshtastic/firmware/security/advisories/GHSA-3x3r-vw9f-pxq5Vendor Advisory

Quick Facts

CVE IDCVE-2024-45038
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-755
CISA KEVNo
Affected1 vendor(s)
PublishedAug 27, 2024

Related CVEs (CWE-755)

CVE-2019-17195
9.8
CVE-2021-38384
9.8
CVE-2025-10156
9.8
CVE-2019-6256
9.8
CVE-2025-34193
9.8
CVE-2023-25561
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2024-45038 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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