VulnerabilityAnalyzed

CVE-2025-24798

From 1.2.1 until 2.6.2, a packet sent to the routing module that contains want_response==true causes a crash.

MEDIUM 6.5EPSS 0.39%

Does this matter?

Lower severity and a low EPSS score (0.39%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 3.1: 6.5 MEDIUMCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.39% probability · 33th percentile
CISA KEV: Not listed
Weakness: CWE-617
Affected: meshtastic/meshtastic firmware
Source: security-advisories@github.com

References

https://github.com/meshtastic/firmware/blob/cdcbf4c61550e45c125e17a20aff4275e9389655/src/modules/RoutingModule.cpp#L44-L48Product
https://github.com/meshtastic/firmware/commit/dc100e4d3e3dfbf58d3ead8141a49cddb0cbdc19Patch
https://github.com/meshtastic/firmware/security/advisories/GHSA-4q84-546j-3mf5Exploit, Third Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.