What is CVE-2025-53627?

CVE-2025-53627 is a medium-severity vulnerability in Meshtastic Firmware, classified under CWE-1287. CVSS score: 5.3/10. Published 2025-12-29.

How severe is CVE-2025-53627?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Meshtastic Firmware

CVE-2025-53627

Meshtastic is an open source mesh networking solution. The Meshtastic firmware (starting from version 2.5) introduces asymmetric encryption (PKI) for direct messages, but when the `pki_encrypted` flag is missing, the firmware silently fall…

EPSS: 0.000 (7.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Meshtastic Firmware — versions >= 2.5, < 2.7.15

Weakness classification (CWE)

CWE-1287

References

https://github.com/meshtastic/firmware/security/advisories/GHSA-377p-prwp-4hwf (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2025-53627?: CVE-2025-53627 is a medium-severity vulnerability in Meshtastic Firmware, classified under CWE-1287. CVSS score: 5.3/10. Published 2025-12-29.
How severe is CVE-2025-53627?: Medium severity. CVSS v3 base score is 5.3 out of 10.