CVE-2026-3275
Received Received - Intake
Remote Buffer Overflow in Tenda F453 httpd Component

Publication date: 2026-02-27

Last updated on: 2026-02-27

Assigner: VulDB

Description
A weakness has been identified in Tenda F453 1.0.0.3. This affects the function fromAddressNat of the file /goform/addressNat of the component httpd. Executing a manipulation of the argument entrys can lead to buffer overflow. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks.
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Meta Information
Published
2026-02-27
Last Modified
2026-02-27
Generated
2026-06-16
AI Q&A
2026-02-27
EPSS Evaluated
2026-06-15
NVD
EUVD
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
tenda f453_firmware 1.0.0.3
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 exists in the Tenda F453 router firmware version 1.0.0.3, specifically in the function fromAddressNat within the /goform/addressNat file of the httpd component. It involves a buffer overflow caused by improper handling of the argument 'entrys'. An attacker can exploit this remotely by manipulating this argument, potentially leading to unauthorized code execution or system compromise.

Impact Analysis

The vulnerability can allow a remote attacker to perform a buffer overflow attack on the affected device. This can lead to severe impacts such as unauthorized control over the device, disruption of services, or execution of arbitrary code. Given the high severity scores (CVSS v3.1 score of 8.8 and v2.0 score of 9.0), the impact includes potential confidentiality, integrity, and availability compromises.

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