CVE-2026-10179
Stack-Based Buffer Overflow in TRENDnet TEW-432BRP
Publication date: 2026-05-31
Last updated on: 2026-05-31
Assigner: VulDB
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| trendnet | tew-432brp | 3.10b20 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-119 | The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data. |
| CWE-121 | A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
CVE-2026-10179 is a stack-based buffer overflow vulnerability found in the TRENDnet TEW-432BRP router, specifically in the function formSetWlanEncrypt located at /goform/formSetWlanEncrypt.
The vulnerability arises because the 'webpage' parameter is copied directly to a local stack variable without proper input validation, allowing an attacker to send a maliciously long string that overwrites the function's return address.
This can cause the router to crash and become unresponsive.
The attack can be initiated remotely but requires authentication.
How can this vulnerability impact me? :
Exploitation of this vulnerability can cause the affected TRENDnet router to crash and become unresponsive, resulting in a denial of service.
Because the buffer overflow overwrites the return address, it may also potentially allow an attacker to execute arbitrary code, although the primary demonstrated impact is a crash.
Since the device is no longer supported and cannot be patched, the risk remains if the device is still in use.
How can this vulnerability be detected on my network or system? Can you suggest some commands?
This vulnerability can be detected by sending a specially crafted POST request to the endpoint /goform/formSetWlanEncrypt with a maliciously long string in the 'webpage' parameter. The request requires authentication using Basic Auth.
If the device is vulnerable, this request will cause the router to crash and become unresponsive due to a stack-based buffer overflow.
A detection command example using curl would be:
- curl -X POST -u username:password -d "webpage=$(python3 -c 'print("A"*1000)')" http://<router-ip>/goform/formSetWlanEncrypt
Replace 'username', 'password', and '<router-ip>' with the appropriate credentials and IP address of the target device.
What immediate steps should I take to mitigate this vulnerability?
Since the affected product TRENDnet TEW-432BRP has been end-of-life for 15 years and no patches or fixes are available, immediate mitigation steps include:
- Discontinue use of the vulnerable device and replace it with a supported and updated router model.
- If replacement is not immediately possible, restrict network access to the device's management interface to trusted hosts only.
- Disable remote management features if enabled to prevent remote exploitation.
- Monitor network traffic for suspicious POST requests to /goform/formSetWlanEncrypt that could indicate exploitation attempts.