Vulnerability Details CVE-2025-21608
Meshtastic is an open source mesh networking solution. In affected firmware versions crafted packets over MQTT are able to appear as a DM in client to a node even though they were not decoded with PKC. This issue has been addressed in version 2.5.19 and all users are advised to upgrade. There are no known workarounds for this vulnerability.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 10.9%
CVSS Severity
CVSS v3 Score 5.3
Products affected by CVE-2025-21608
-
cpe:2.3:o:meshtastic:meshtastic_firmware:*