Vulnerability in Meshtastic Firmware
CVE-2025-24798
Meshtastic is an open source mesh networking solution. From 1.2.1 until 2.6.2, a packet sent to the routing module that contains want_response==true causes a crash. This can lead to a degradation of service for nodes within range of a mali…
EPSS: 0.000 (15.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
Affected products
- Meshtastic Firmware — versions >= 1.2.1, < 2.6.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- https://github.com/meshtastic/firmware/security/advisories/GHSA-4q84-546j-3mf5 (x_refsource_CONFIRM)
- https://github.com/meshtastic/firmware/commit/dc100e4d3e3dfbf58d3ead8141a49cddb0cbdc19 (x_refsource_MISC)
- https://github.com/meshtastic/firmware/blob/cdcbf4c61550e45c125e17a20aff4275e9389655/src/modules/RoutingModule.cpp#L44-L48 (x_refsource_MISC)
Frequently asked questions
- What is CVE-2025-24798?
- CVE-2025-24798 is a medium-severity vulnerability in Meshtastic Firmware, classified under Reachable Assertion. CVSS score: 4.3/10. Published 2025-07-10.
- How severe is CVE-2025-24798?
- Medium severity. CVSS v3 base score is 4.3 out of 10.
- Is CVE-2025-24798 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.