CVE-2024-45038

Device crash via malformed MQTT packet when downlink is enabled in Meshtastic device firmware

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.04%
Affected: meshtastic firmware
Published at:
Updated at:

References

Link Tags
https://github.com/meshtastic/firmware/security/advisories/GHSA-3x3r-vw9f-pxq5

Frequently Asked Questions

What is the severity of CVE-2024-45038?
CVE-2024-45038 has been scored as a high severity vulnerability.
How to fix CVE-2024-45038?
To fix CVE-2024-45038, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-45038 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-45038 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-45038?
CVE-2024-45038 affects meshtastic firmware.
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