CVE-2025-11653

UTT HiPER 2620G fNTP strcpy buffer overflow

HIGH
8.8
CVSS Score
Published: October 13, 2025 at 12:32 AM UTC
Updated: October 8, 2026 at 12:10 PM UTC
2 products affected across 1 vendor2620G FirmwareHiPER 2620G· also runs on 1 platform

Using HiPER 2620G by UTT?

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Severity
HIGH8.8
Exploit prediction
EPSS 0.8%
SSVC
PoC

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 3.1.4*
utt-2620g (same device)

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (4)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/?id.328070
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/?ctiid.328070
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/?submit.665712
ExploitIssue TrackingThird Party Advisory
Source: cverecord
https://github.com/ashin9/CVE/issues/2

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHVulDB
Vector?

Quick Info

StatusANALYZED
CWE
CWE-120CWE-119

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