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Cloudcutter Profile Request for LSC Smart GLS A60 (BK7321N, CBLC5, v1.6.0)

tom2409 1026 6
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  • Requesting Cloudcutter profile for BK7321N LSC bulb

    #1 21755423
    tom2409
    Level 2  
    Posts: 3
    Hello,

    I bought 3 LSC light bulbs from Action in October 2025.

    https://www.action.com/fr-be/p/3208075/ampoules-led-connectees-lsc-smart-connect/

    White LSC Smart GLS A60 LED bulb on wooden surface with visible printed product details. Box of 3 LSC Smart LED RGB bulbs with WiFi 2.4GHz and tunable white Disassembled LED bulb with visible PCB and casing parts on a wooden table
    LED board with BK7321N chip and CBLC5 module, surrounded by multicolor LEDs. LSC LED bulb PCB with soldered wires and visible capacitors shown on a wooden surface. Close-up of a PCB with CBLC5 module and capacitors inside an LED smart bulb
    CBLC5 electronic module with chip placed on a wooden surface Small PCB with electronic components on a wooden surface Electronic module with soldered wires placed on a wooden surface



    CBLC5 electronic module with attached wires on a wooden surface App screen showing LSC Smart GLS A60 bulb being added Device update screen confirming firmware is up to date

    CBLC5 module with pin layout and function labels on front and back views


    Name: LSC Smart GLS A60
    Chip: BK7321N
    Module: CBLC5
    MCU version: v1.6.0

    I soldered RX1, TX1, 3.3 V and GND to flash at 115200 baud with BK7231 Easy UART Flasher. I disassembled 1 bulb; I have 2 left, and I would still like to buy some. I tried several Cloudcutter profiles, but none of them worked.

    Is it possible to generate a Cloudcutter profile for this device?

    readResult...-53-20.bin (2 MB)You must be logged in to download this attachment.

    3208075_Da...60_e27.pdf (1 MB)You must be logged in to download this attachment.













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  • Patched BK7231N firmware blocks Cloudcutter exploit

    #2 21755464
    divadiow
    Level 38  
    Posts: 5195
    Help: 446
    Rate: 913
    Code: Text
    Log in, to see the code


    it is patched against CC exploit so one will not be possible

    https://github.com/tuya-cloudcutter/tuya-cloudcutter/wiki/Known-Patched-Firmware

    Added after 17 [minutes]:

    info for the record:

    Code: Text
    Log in, to see the code


    Code: Text
    Log in, to see the code
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  • #3 21755917
    tom2409
    Level 2  
    Posts: 3
    >>21755464 Thank you for your reply, but how do you obtain the firmware information?
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  • #4 21756310
    divadiow
    Level 38  
    Posts: 5195
    Help: 446
    Rate: 913
    I flashed your backup to a BK7231N module then captured the boot log.
  • #5 21845178
    defaliz
    Level 7  
    Posts: 19
    Rate: 1
    >>21756310 Hello, how did you disassemble the bulb to access Wi-Fi chip?
    Regards
  • #6 21846489
    tom2409
    Level 2  
    Posts: 3
    >>21845178
    Hi,
    Like that:


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  • #7 21846726
    defaliz
    Level 7  
    Posts: 19
    Rate: 1
    Thank a lot !
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Topic summary

✨ Discussion about an LSC Smart connected LED bulb from Action, identified as a BK7231N-based device using a CBLC5 module and TuyaOS firmware V3.3.44. The firmware is reported as patched against the Cloudcutter exploit, so no Cloudcutter profile is possible. A boot log was obtained by flashing the backup to a BK7231N module, revealing Tuya configuration details such as SM2235DAT/SM2235CLK pin mapping, LED remap, and current settings. The thread also covers how to physically disassemble the bulb to access the Wi‑Fi chip.
AI summary based on the discussion. May contain errors.
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