CVE-2026-7056
Remote Buffer Overflow in Tenda F456 httpd SafeUrlFilter
Publication date: 2026-04-26
Last updated on: 2026-04-29
Assigner: VulDB
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| tenda | f456_firmware | 1.0.0.5 |
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 F456 router firmware version 1.0.0.5, specifically in the function fromSafeUrlFilter within the /goform/SafeUrlFilter component of the httpd service.
The issue arises due to improper handling of the 'page' argument, which can be manipulated to cause a buffer overflow.
An attacker can exploit this vulnerability remotely, and the exploit code is publicly available.
How can this vulnerability impact me? :
Exploitation of this vulnerability can lead to a buffer overflow, which may allow an attacker to execute arbitrary code or cause a denial of service on the affected device.
Since the attack can be performed remotely, it poses a significant security risk to the network and devices connected to the vulnerable router.
The CVSS scores indicate a high severity, with potential impacts on confidentiality, integrity, and availability.