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CVE-2025-24798

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Date: July 10, 2025

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 malicious sender, or via MQTT if downlink is enabled. This vulnerability is fixed in 2.6.2.

Severity Score

Related Resources (5)

https://nvd.nist.gov/vuln/detail/CVE-2025-24798
https://github.com/meshtastic/firmware/security/advisories/GHSA-4q84-546j-3mf5
https://github.com/meshtastic/firmware/commit/dc100e4d3e3dfbf58d3ead8141a49cddb0cbdc19
https://github.com/meshtastic/firmware/blob/cdcbf4c61550e45c125e17a20aff4275e9389655/src/modules/RoutingModule.cpp#L44-L48
https://www.mend.io/vulnerability-database/CVE-2025-24798

Severity Score

Weakness Type (CWE)

Reachable Assertion

CWE-617

Top Fix

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Upgrade Version

Upgrade to version https://github.com/meshtastic/firmware.git - v2.6.2.31c0e8f

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CVSS v3.1

Base Score:
Attack Vector (AV): ADJACENT_NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): LOW

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