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

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-10-13 · updated 2026-10-08
Weakness: CWE-119

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.

Affected products

UTT HiPER 2620G: through 3.1.4

References

https://github.com/ashin9/CVE/issues/2
https://vuldb.com/?ctiid.328070
https://vuldb.com/?id.328070
https://vuldb.com/?submit.665712
https://github.com/ashin9/CVE/issues/2

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