CVE-2025-9791
BaseFortify
Publication date: 2025-09-01
Last updated on: 2025-09-04
Assigner: VulDB
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| tenda | ac20_firmware | 16.03.08.5 |
| tenda | ac20 | * |
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-787 | The product writes data past the end, or before the beginning, of the intended buffer. |
| 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?
This vulnerability is a stack-based buffer overflow in the Tenda AC20 router firmware version 16.03.08.05. It occurs due to improper handling of the 'wanMTU' argument in the /goform/fromAdvSetMacMtuWan file, allowing an attacker to manipulate this argument and overflow the stack. This can be exploited remotely.
How can this vulnerability impact me? :
Exploitation of this vulnerability can lead to severe impacts including unauthorized remote code execution, potentially allowing an attacker to take control of the affected device, disrupt network services, or compromise sensitive data.