CVE-2025-21608
MEDIUM EPSS 26.2%
Published Feb 18, 20251y ago · Modified Jun 17, 20262w ago
5.3 CVSS 4.0
Published Feb 18, 2025 1y ago
Last Modified Jun 17, 2026 2w ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction P
Scope X
Threat Intelligence
EPSS Exploit Probability
26.2% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-668
Affected Products 1
| Vendor | Product | Version | Range |
|---|---|---|---|
| meshtastic | meshtastic_firmware | * | ≥2.5.0 – <2.5.19 |
References 1
- github.com https://github.com/meshtastic/firmware/security/advisories/GHSA-c967-qc39-3hf5
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.