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CVE-2026-0840

Published: Jan 11, 2026

Modified: Feb 23, 2026

PUBLISHED

CVSS v3.1

8.8

HIGH

Description

A security vulnerability has been detected in UTT 进取 520W 1.7.7-180627. Affected by this vulnerability is the function strcpy of the file /goform/formConfigNoticeConfig. The manipulation of the argument timestart leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. 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-340440 | UTT 进取 520W formConfigNoticeConfig strcpy buffer overflow

vdb-entry

technical-description

VDB-340440 | CTI Indicators (IOB, IOC, IOA)

signature

permissions-required

Submit #729029 | UTT 进取 520W v3v1.7.7-180627 Buffer Overflow

third-party-advisory

https://github.com/GUOTINGTING2297/cve/blob/main/1234/30.md

exploit

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