Question: What is CVE-2025-21608?
Answer: CVE-2025-21608 is a vulnerability classified as medium with a CVSS score of 5.3. It falls under CWE-668 and affects the system as follows: 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.