CVE-2026-0839
Unknown Unknown - Not Provided
Remote Buffer Overflow in UTT 进取 520W AP Security Function

Publication date: 2026-01-11

Last updated on: 2026-01-11

Assigner: VulDB

Description
A weakness has been identified in UTT 进取 520W 1.7.7-180627. Affected is the function strcpy of the file /goform/APSecurity. Executing a manipulation of the argument wepkey1 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. The vendor was contacted early about this disclosure but did not respond in any way.
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Meta Information
Published
2026-01-11
Last Modified
2026-01-11
Generated
2026-06-16
AI Q&A
2026-01-11
EPSS Evaluated
2026-06-14
NVD
CVE-2026-0839
EUVD
EUVD-2026-1904
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
utt 进取_520w 1.7.7-180627
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 in the strcpy function within the /goform/APSecurity file of UTT 进取 520W version 1.7.7-180627. By manipulating the argument wepkey1, an attacker can cause a buffer overflow, potentially allowing remote exploitation.

Impact Analysis

The vulnerability can be exploited remotely to cause a buffer overflow, which may lead to unauthorized code execution, system compromise, or denial of service on the affected device.

Mitigation Strategies

No official patches or mitigations are available from the vendor. It is suggested to replace the affected UTT 进取 520W device with an alternative product to avoid exploitation. Since the vulnerability can be exploited remotely and a public exploit exists, immediate replacement or network isolation of the device is recommended. [3]

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