How severe is CVE-2025-7117?

CVE-2025-7117 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-7117 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-7117?

CVE-2025-7117 affects Utt 840g Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-7117?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-7117 have an EU (EUVD) identifier?

Yes. CVE-2025-7117 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-20196.

When was CVE-2025-7117 published?

CVE-2025-7117 was published on 2025-07-07 and last updated on 2026-06-17.

CVE-2025-7117

CVE-2025-7117 is a high-severity vulnerability in Utt 840g Firmware with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
CVSS v4: 7.4
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-20196
Weakness: CWE-119
Affected product: Utt 840g Firmware
Published: 2025-07-07
Last modified: 2026-06-17

Description

A vulnerability classified as critical was found in UTT HiPER 840G up to 3.1.1-190328. This vulnerability affects unknown code of the file /goform/websWhiteList. The manipulation of the argument addHostFilter leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2025-7117?: A vulnerability classified as critical was found in UTT HiPER 840G up to 3.1.1-190328. This vulnerability affects unknown code of the file /goform/websWhiteList. The manipulation of the argument addHostFilter leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2025-7117?: CVE-2025-7117 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-7117 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-7117?: CVE-2025-7117 affects Utt 840g Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-7117?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-7117 have an EU (EUVD) identifier?: Yes. CVE-2025-7117 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-20196.
When was CVE-2025-7117 published?: CVE-2025-7117 was published on 2025-07-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:utt:840g_firmware:*:*:*:*:*:*:*:*

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