CVE-2025-11653

UTT HiPER 2620G fNTP strcpy buffer overflow

Published Oct 13, 2025 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Utt 2620g
Utt 2620g Firmware
CPEs cpe:2.3:h:utt:2620g:-:*:*:*:*:*:*:*
cpe:2.3:o:utt:2620g_firmware:*:*:*:*:*:*:*:*
Vendors & Products Utt 2620g
Utt 2620g Firmware
Type Values Removed Values Added
First Time appeared Utt
Utt hiper 2620g
Vendors & Products Utt
Utt hiper 2620g
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title UTT HiPER 2620G fNTP strcpy buffer overflow
Weaknesses CWE-119
CWE-120
References
Metrics cvssV2_0

{'score': 9, 'vector': 'AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 8.8, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 8.8, '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'}

cvssV4_0

{'score': 8.7, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulDB
Published
Updated
Oct 14, 2025, 2:53 PM
Reserved
Oct 12, 2025, 6:23 AM
Status
Analyzed
Published
Oct 13, 2025, 1:15 AM
Modified
Oct 8, 2026, 12:10 PM