QwikSec

Security Database

CVE

CWE

Training

CVE-2026-0839

Published: Jan 11, 2026

Modified: Feb 23, 2026

PUBLISHED

CVSS v3.1

8.8

HIGH

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.

Vendor	Product	Versions
UTT	进取 520W	affected `1.7.7-180627`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

VDB-340439 | UTT 进取 520W APSecurity strcpy buffer overflow

vdb-entry

technical-description

VDB-340439 | CTI Indicators (IOB, IOC, IOA)

signature

permissions-required

Submit #729028 | UTT 进取 520W v3v1.7.7-180627 Buffer Overflow

third-party-advisory

https://github.com/GUOTINGTING2297/cve/blob/main/1234/29.md

exploit

Security Training

Train your team to recognize and prevent security threats with our comprehensive security awareness program.

Vulnerability Scanning

Discover vulnerabilities in your applications and infrastructure before attackers do.