CVE-2026-1140

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2026-1140
A vulnerability was found in UTT 进取 520W 1.7.7-180627. This issue affects the function strcpy of the file /goform/ConfigExceptAli. The manipulation results in buffer overflow. It is possible to launch the attack remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

8.8 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

9.0 /10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:S/C:C/I:C/A:C

Exploitability : 8.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References
Link Resource
https://github.com/cymiao1978/cve/blob/main/new/35.md Exploit Third Party Advisory
https://vuldb.com/?ctiid.341731 Permissions Required VDB Entry
https://vuldb.com/?id.341731 Third Party Advisory VDB Entry
https://vuldb.com/?submit.735300 Third Party Advisory VDB Entry
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:utt:520w_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:utt:520w:3.0:*:*:*:*:*:*:*
History

17 Jun 2026, 10:15

Type Values Removed Values Added
Summary
  • (es) Una vulnerabilidad fue encontrada en UTT ?? 520W 1.7.7-180627. Este problema afecta la función strcpy del archivo /goform/ConfigExceptAli. La manipulación resulta en un desbordamiento de búfer. Es posible lanzar el ataque de forma remota. El exploit ha sido hecho público y podría ser usado. El proveedor fue contactado tempranamente sobre esta divulgación, pero no respondió de ninguna manera.

04 Feb 2026, 20:42

Type Values Removed Values Added
References () https://github.com/cymiao1978/cve/blob/main/new/35.md - () https://github.com/cymiao1978/cve/blob/main/new/35.md - Exploit, Third Party Advisory
References () https://vuldb.com/?ctiid.341731 - () https://vuldb.com/?ctiid.341731 - Permissions Required, VDB Entry
References () https://vuldb.com/?id.341731 - () https://vuldb.com/?id.341731 - Third Party Advisory, VDB Entry
References () https://vuldb.com/?submit.735300 - () https://vuldb.com/?submit.735300 - Third Party Advisory, VDB Entry
CPE cpe:2.3:h:utt:520w:3.0:*:*:*:*:*:*:*
cpe:2.3:o:utt:520w_firmware:*:*:*:*:*:*:*:*
First Time Utt
Utt 520w Firmware
Utt 520w

19 Jan 2026, 06:16

Type Values Removed Values Added
New CVE
Information

Published : 2026-01-19 06:16

Updated : 2026-06-17 10:15

NVD link : CVE-2026-1140

Mitre link : CVE-2026-1140

CVE.ORG link : CVE-2026-1140

JSON object : View

Products Affected

utt

  • 520w
  • 520w_firmware
CWE
CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')