CVE-2026-7057
Received Received - Intake
Remote Buffer Overflow in Tenda F456 HTTPD Allows Exploits

Publication date: 2026-04-26

Last updated on: 2026-04-29

Assigner: VulDB

Description
A flaw has been found in Tenda F456 1.0.0.5. The affected element is an unknown function of the file /goform/setcfm of the component httpd. This manipulation of the argument funcname/funcpara1 causes buffer overflow. It is possible to initiate the attack remotely. The exploit has been published and may be used.
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Meta Information
Published
2026-04-26
Last Modified
2026-04-29
Generated
2026-06-16
AI Q&A
2026-04-27
EPSS Evaluated
2026-06-15
NVD
CVE-2026-7057
EUVD
EUVD-2026-25727
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
tenda f456_firmware 1.0.0.5
Helpful Resources
Exploitability
CWE
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KEV
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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.
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Executive Summary

This vulnerability is a buffer overflow flaw found in the Tenda F456 router firmware version 1.0.0.5. It occurs in an unknown function within the /goform/setcfm file of the httpd component. The flaw is triggered by manipulating the arguments funcname or funcpara1, which can cause the buffer overflow condition.

The vulnerability can be exploited remotely, meaning an attacker does not need physical access to the device to initiate the attack. Additionally, an exploit for this vulnerability has already been published.

Impact Analysis

Exploitation of this buffer overflow vulnerability can lead to serious impacts including unauthorized remote code execution, which may allow an attacker to take control of the affected device.

  • Compromise of device confidentiality, integrity, and availability.
  • Potential disruption of network services provided by the device.
  • Possible use of the compromised device as a foothold for further attacks within the network.
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