Submit #521036: Netis WF-2404 Firmware Version: APR-R4A4-V1.1.124EN-Netis(WF-2404),2010.12.14 16:18. Hardware Allows Activation of Test or Debug Logic at Runtimeinfo

TitleNetis WF-2404 Firmware Version: APR-R4A4-V1.1.124EN-Netis(WF-2404),2010.12.14 16:18. Hardware Allows Activation of Test or Debug Logic at Runtime
DescriptionRealTek RTL8196C chip exposes UART serial debug console on router PCB. Automatically drops you into a root shell without prompting for any authentication. Physical access is required but soldering not required, can be performed trivially without lasting detection. Simple Attack Example is attached in the Advisory/Exploit section, but full writeups available here. https://scoozi.substack.com/p/hacking-a-netis-wf-2404-router https://scoozi.substack.com/p/hacking-a-netis-wf-2404-router-cont https://scoozi.substack.com/p/hacking-a-netis-wf-2404-router-with Attempted to contact vendor via phone, no response. No public contact email listed.
Source⚠️ https://scoozi.substack.com/p/hacking-a-netis-wf-2404-router-with
User
 scoozi (UID 82836)
Submission03/15/2025 23:43 (1 Year ago)
Moderation03/28/2025 12:48 (13 days later)
StatusAccepted
VulDB entry301894 [Netis WF-2404 1.1.124EN UART hardware allows activation of test or debug logic at runtime]
Points20

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