CVE-2025-53637 – Meshtastic Code Injection Vulnerability

The following table lists the changes that have been made to the
CVE-2025-53637 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Jul. 10, 2025

    Action Type Old Value New Value
    Added Description Meshtastic is an open source mesh networking solution. The main_matrix.yml GitHub Action is triggered by the pull_request_target event, which has extensive permissions, and can be initiated by an attacker who forked the repository and created a pull request. In the shell code execution part, user-controlled input is interpolated unsafely into the code. If this were to be exploited, attackers could inject unauthorized code into the repository. This vulnerability is fixed in 2.6.6.
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N
    Added CWE CWE-78
    Added Reference https://github.com/meshtastic/firmware/blob/3fd47d9713e7d1b6866c48cf218e2435741651a2/.github/workflows/main_matrix.yml#L34-L41
    Added Reference https://github.com/meshtastic/firmware/security/advisories/GHSA-6mwm-v2vv-pp96
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