CVE-2025-11653 HIGH

CVE-2025-11653: UTT HiPER 2620G fNTP strcpy buffer overflow

Vendor Utt
Product HiPER 2620G
Weakness CWE-120
Published October 13, 2025
Last update October 14, 2025

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A vulnerability was determined in UTT HiPER 2620G up to 3.1.4. Impacted is the function strcpy of the file /goform/fNTP. This manipulation of the argument NTPServerIP causes buffer overflow. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

Key dates

02Disclosure timeline

October 13, 2025 CVE published
October 14, 2025 Record updated