Vulnerability Database

309,136

Total vulnerabilities in the database

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.

  • Published: Feb 18, 2025
  • Updated: Nov 16, 2025
  • CVE: CVE-2025-21608
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 5.3
  • AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

CWEs:

Software From Fixed in
meshtastic / meshtastic_firmware 2.5.0 2.5.19