SpacehuhnTech/esp8266_deauther

Fatal exception (0):

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#1776 opened on Jul 30, 2025

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help wanted

Description

Have you searched for existing (open and closed) issues describing the same problem?

Yes

Wifi doesnt show up

19:16:38.638 -> Fatal exception (0): 
19:16:38.638 -> epc1=0x4010f0ee, epc2=0x00000000, epc3=0x00000000, excvaddr=0x00000000, depc=0x00000000
19:16:38.672 -> Fatal exception (0): 
19:16:38.672 -> epc1=0x4010f0ee, epc2=0x00000000, epc3=0x00000000, excvaddr=0x00000000, depc=0x00000000
19:16:38.672 -> Fatal exception (0): 
19:16:38.672 -> epc1=0x4010f0ee, epc2=0x00000000, epc3=0x00000000, excvaddr=0x00000000, depc=0x00000000
19:16:38.706 -> Fatal exception (0):

To Reproduce Steps to reproduce the behavior:

  1. Flash ESP8266_deather onto your ESP8266
  2. Restart your ESP8266
  3. Nothing works

Expected behavior Wifi network shows up

Environment (please complete the following information):

  • OS: Win 10
  • Hardware: ESP8266EX

Attempts Tried to flash firmware through .bin files and Arduino

Additional context Also tried diffrent versions but nothing

Contributor guide

Tech stack
ccpp
Domain
security
Issue type
bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
5
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-2 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
needs investigation
Prerequisites
ESP8266 platformArduino IDE or flashing toolsBasic debugging skills
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
10
Research direction
Investigate the exception 0 (illegal instruction) by examining the memory address 0x4010f0ee in the firmware binary. Check if it's a known issue with ESP8266WiFi library or a memory corruption. Reproduce with a minimal sketch to isolate the problem.