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% (63rd 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% (63rd 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% (63rd 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:*:*:*:*:*:*:*:*

More vulnerabilities in Utt 840g Firmware

CVE-2025-11305 — High (CVSS 8.8): A vulnerability has been found in UTT HiPER 840G up to 3.1.1-190328. Affected by this issue is the function strcpy of…
CVE-2025-10756 — High (CVSS 8.8): A security flaw has been discovered in UTT HiPER 840G up to 3.1.1-190328. Impacted is an unknown function of the file…
CVE-2025-7571 — High (CVSS 8.8): A vulnerability classified as critical has been found in UTT HiPER 840G up to 3.1.1-190328. This affects an unknown…
CVE-2025-7570 — High (CVSS 8.8): A vulnerability was found in UTT HiPER 840G up to 3.1.1-190328. It has been rated as critical. Affected by this issue…
CVE-2025-7118 — High (CVSS 8.8): A vulnerability, which was classified as critical, has been found in UTT HiPER 840G up to 3.1.1-190328. This issue…
CVE-2025-6734 — High (CVSS 8.8): A vulnerability was found in UTT HiPER 840G up to 3.1.1-190328. It has been rated as critical. This issue affects the…

All CVEs affecting Utt 840g Firmware →

Other CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities

CVE-2026-79851 — Critical (CVSS 10.0): No description provided
CVE-2026-79847 — Critical (CVSS 10.0): No description provided
CVE-2026-114383 — Critical (CVSS 10.0): A weakness has been identified in TOTOLINK EX200 5.2.3c.7200. This impacts the function setWiFiAclAddConfig of the file…
CVE-2026-114382 — Critical (CVSS 10.0): A security flaw has been discovered in TOTOLINK EX200 5.2.3c.7200. This affects the function setStaticDhcpConfig of the…
CVE-2026-113744 — Critical (CVSS 10.0): A security vulnerability has been detected in Tenda AC19 16.03.10.07. The impacted element is the function…
CVE-2026-110958 — Critical (CVSS 10.0): A vulnerability was found in Wavlink WN530HG4B M30HG4B_V260724. The impacted element is an unknown function of the file…

Browse all CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities →