Eun0us/ESPILON-CTF-2026-Writeups
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screens: add screenshots to ESP/Jnouner_Router/README.md

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Eun0us 2026-03-26 18:45:15 +00:00
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ESP/Jnouner_Router/README.md
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@ -58,7 +58,9 @@ a custom UDP protocol (JMP) to exfiltrate the final flag.
## Solution ## Solution
### Setup — Flash the firmware ### Setup
![esptool flashing firmware to ESP32](https://git.espilon.net/Eun0us/ESPILON-CTF-2026-Writeups/raw/branch/main/screens/esptool_flash.png)
— Flash the firmware
```bash ```bash
esptool.py --chip esp32 --port /dev/ttyUSB0 --baud 460800 write_flash -z \ esptool.py --chip esp32 --port /dev/ttyUSB0 --baud 460800 write_flash -z \
@ -77,7 +79,9 @@ screen /dev/ttyUSB0 115200
--- ---
### Flag 1 — Console Access (100 pts) ### Flag 1 — Console Access
![UART admin console authentication](https://git.espilon.net/Eun0us/ESPILON-CTF-2026-Writeups/raw/branch/main/screens/jnouned_uart.png)
(100 pts)
The UART console presents a `jnoun-console>` prompt requiring a password. The UART console presents a `jnoun-console>` prompt requiring a password.
@ -101,7 +105,9 @@ Flag 1 is printed on success.
--- ---
### Flag 2 — 802.11 TX (200 pts) ### Flag 2 — 802.11 TX
![802.11 frame capture with flag payload](https://git.espilon.net/Eun0us/ESPILON-CTF-2026-Writeups/raw/branch/main/screens/jnouned_wifi.png)
(200 pts)
From the admin console, read device settings: From the admin console, read device settings: