CVE-2025-24798

MEDIUM

meshtastic_firmware 1.2.1-2.6.2 - Denial of Service via Routing Module want_response Packet

Title source: llm

Description

Meshtastic is an open source mesh networking solution. From 1.2.1 until 2.6.2, a packet sent to the routing module that contains want_response==true causes a crash. This can lead to a degradation of service for nodes within range of a malicious sender, or via MQTT if downlink is enabled. This vulnerability is fixed in 2.6.2.

References (3)

Core 3

Core References

Exploit, Third Party Advisory x_refsource_confirm

https://github.com/meshtastic/firmware/security/advisories/GHSA-4q84-546j-3mf5

Patch x_refsource_misc

https://github.com/meshtastic/firmware/commit/dc100e4d3e3dfbf58d3ead8141a49cddb0cbdc19

View Patch ZIP pw:eip

Product x_refsource_misc

https://github.com/meshtastic/firmware/blob/cdcbf4c61550e45c125e17a20aff4275e9389655/src/modules/RoutingModule.cpp#L44-L48

Scores

CVSS v3 4.3

EPSS 0.0037

EPSS Percentile 29.0%

Attack Vector ADJACENT_NETWORK

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

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact partial

Details

CWE

CWE-617

Status published

Products (1)

meshtastic/meshtastic_firmware 1.2.1 - 2.6.2

Published Jul 10, 2025

Tracked Since Feb 18, 2026