CVE-2025-21608

MediumCVSS 5.3/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Weakness enumeration

CWE-668

Affected software

No affected versions have been published.

Timeline

Published
Feb 18, 2025
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2025-21608: Medium severity, CVSS 5.3 | Vulnix