CVE-2025-11653

UTT HiPER 2620G fNTP strcpy buffer overflow

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.

Affected

UTT · HiPER 2620G

CVSS v4.0 VULDB

7.4 HIGHCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 VULDB

8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 VULDB

9.0 HIGHAV:N/AC:L/Au:S/C:C/I:C/A:C

EPSS

0.75% chance of exploitation in the next 30 days, 54th percentile

Published

2025-10-13

Updated

2025-10-14

Proof-of-concept exploits (1)

• ashin9/CVE/issues/20★ · 2025-07-26

Security advisories

• https://vuldb.com/?id.328070
• https://vuldb.com/?submit.665712

References

• CVE Record
• NVD entry

Related

• CVE-2025-11420
• CVE-2025-8274