CVE-2025-12611
BaseFortify
Publication date: 2025-11-03
Last updated on: 2025-11-05
Assigner: VulDB
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| tenda | ac21_firmware | 16.03.08.16 |
| tenda | ac21 | 1.0 |
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-120 | The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability exists in the Tenda AC21 router firmware version 16.03.08.16, specifically in the function formSetPPTPServer within the file /goform/SetPptpServerCfg. It is caused by improper handling of the argument startIp, which leads to a buffer overflow. This flaw can be exploited remotely, allowing an attacker to potentially execute arbitrary code or cause a denial of service.
How can this vulnerability impact me? :
Exploitation of this vulnerability can lead to severe impacts including unauthorized remote code execution, denial of service, and compromise of the affected device. This could allow attackers to take control of the router, intercept or manipulate network traffic, or disrupt network services.