Code Injection Vulnerability in Meshtastic Open Source Networking Solution
CVE-2025-53637

4.1MEDIUM

Key Information:

Vendor

Meshtastic

Status
Firmware
Vendor
CVE Published:
10 July 2025

What is CVE-2025-53637?

The Meshtastic networking solution is susceptible to a code injection vulnerability due to insecure handling of user-controlled input in its GitHub Action workflow. The problem arises when the main_matrix.yml file is triggered by the pull_request_target event, allowing attackers to exploit extensive permissions if they fork the repository. Unauthorized code can potentially be injected into the repository during this process. This vulnerability has been addressed in version 2.6.6, underscoring the importance of updating to the latest release.

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Deploy the Patch

Affected Version(s)

firmware >= 2.5.3, < 2.6.6

References

https://github.com/meshtastic/firmware/security/advisorie...
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https://github.com/meshtastic/firmware/blob/3fd47d9713e7d...
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CVSS V3.1

Score:
4.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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