A critical vulnerability (CVE-2024-38971) was discovered in the module’s bootloader. Exploitation could allow unauthorized firmware downgrades. The latest update implements signed firmware verification, ensuring only authenticated code runs on your device.
After flash completes:
If you encounter persistent errors after following this guide, consult the original hardware vendor’s support portal. Provide them with the bootloader log, the exact error code, and the output of dmesg or the serial monitor. wltfsm-146gn firmware update
Record the output (e.g., v2.1.3 vs new v2.2.0 ). After flash completes: If you encounter persistent errors
Remember: always download firmware directly from the official source, never interrupt the update process, and keep a backup of your working configuration. If you encounter an issue not covered here, contact the wltfsm-146gn support hotline with your error log (accessible via AT+EXPORTLOG ). full release notes
Previous firmware versions (v2.5.1 and earlier) on the wltfsm-146gn exhibited a memory leak after 720 hours of continuous operation. This caused the module to reset unexpectedly. The patches that leak, extending MTBF (Mean Time Between Failures) by 40%.
If you want a different format (detailed spec, patch series, full release notes, or an OTA image build script), say which and I will produce it.