CVE-2025-21608
Medium
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.
SeverityMedium
CVSS5.3
Exploit probability—
ProductMeshtastic Firmware
PublishedFeb 18, 2025
First seenFeb 18, 2025
Weakness typeCWE-668CWE-668
How to fix
Update
- meshtastic meshtastic_firmware2.5.19 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| meshtastic meshtastic_firmware | 2.5.0 ≤ v < 2.5.19 | 2.5.19 |
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