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CVE-2026-0840

UTT 进取 520W formConfigNoticeConfig strcpy buffer overflow

Published: Jan 11, 2026Updated: Jan 13, 2026 Sources: CVE List NVD BDUCWE-119
NVD MITRE
8.8CVSSHIGH
EPSS Score
3.7%
Top 11.7%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-119CWE-120

Affected Products

520w firmwareuttNetworking Infrastructure
UTT 520WShanghai AIT Technology Co., Ltd.
进取 520WUTTNetworking Infrastructure
uttcommercialNetworking Infrastructureaka utt

Attack Graph

Products CVE Techniques Tactics

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Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://github.com/GUOTINGTING2297/cve/blob/main/1234/30.md
github.com
https://vuldb.com/?ctiid.340440
vuldb.com
https://vuldb.com/?id.340440
vuldb.com
and 2 more references View all →

Timeline

Published
Jan 11, 2026
Last Updated
Jan 13, 2026

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