CVE-2025-6734

A vulnerability was found in UTT HiPER 840G up to 3.1.1-190328. It has been rated as critical. This issue affects the function sub_484E40 of the file /goform/formP2PLimitConfig of the component API. The manipulation of the argument except leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS v3 8.8 HIGH
CVSS v2.0 9.0 HIGH

8.8^/10

CVSS v3 : HIGH

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

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/d2pq/cve/blob/main/616/3.md	Exploit Third Party Advisory
https://github.com/d2pq/cve/blob/main/616/3.md#poc	Exploit Third Party Advisory
https://vuldb.com/?ctiid.314009	Permissions Required VDB Entry
https://vuldb.com/?id.314009	Third Party Advisory VDB Entry
https://vuldb.com/?submit.597679	Third Party Advisory VDB Entry

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:utt:840g_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:utt:840g:3.0:*:*:*:*:*:*:*

History

No history.

Information

Published : 2025-06-26 23:15

Updated : 2026-01-08 19:44

NVD link : CVE-2025-6734

Mitre link : CVE-2025-6734

CVE.ORG link : CVE-2025-6734

JSON object : View

Products Affected

utt

840g_firmware
840g

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')

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It has been rated as critical. This issue affects the function sub_484E40 of the file /goform/formP2PLimitConfig of the component API. The manipulation of the argument except leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way."}, {"lang": "es", "value": "Se encontr\u00f3 una vulnerabilidad en UTT HiPER 840G hasta la versi\u00f3n 3.1.1-190328. Se ha clasificado como cr\u00edtica. Este problema afecta a la funci\u00f3n sub_484E40 del archivo /goform/formP2PLimitConfig de la API del componente. La manipulaci\u00f3n del argumento \"except\" provoca un desbordamiento del b\u00fafer. El ataque puede ejecutarse en remoto. Se ha hecho p\u00fablico el exploit y puede que sea utilizado. Se contact\u00f3 al proveedor con antelaci\u00f3n sobre esta divulgaci\u00f3n, pero no respondi\u00f3."}], "lastModified": "2026-01-08T19:44:28.337", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:utt:840g_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B9BAEDFC-492B-475C-9E18-C6F6AD3DC37C", "versionEndIncluding": "3.1.1-190328"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:utt:840g:3.0:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "0FFE14A5-824D-49D7-913A-B000C5364CF8"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cna@vuldb.com"}