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Vulnerability record · CVE-2025-11305 · published 5 October 2025

CVE-2025-11305: Utt 840g firmware memory buffer overflow vulnerability

UUtt · 840g Firmware

A vulnerability has been found in UTT HiPER 840G up to 3.1.1-190328. Affected by this issue is the function strcpy of the file /goform/formTaskEdit. The manipulation of the argument txtMin2 leads to buffer overflow. Remote exploitation of the attack is possible. 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.

7.4 CVSS 4.0 High EPSS 0.97% · top 39.6% CWE-119 · Memory buffer overflowCWE-120 · Classic buffer overflow
7.4CVSS 4.0 base score, v2 9.0
0.97%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
5References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

A vulnerability has been found in UTT HiPER 840G up to 3.1.1-190328. Affected by this issue is the function strcpy of the file /goform/formTaskEdit. The manipulation of the argument txtMin2 leads to buffer overflow. Remote exploitation of the attack is possible. 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.

CVSS: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:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/maximdevere/CVE2/issues/3 ExploitIssue TrackingThird Party Advisory
https://vuldb.com/?ctiid.327186 Permissions RequiredVDB Entry
https://vuldb.com/?id.327186 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.661807 Third Party AdvisoryVDB Entry
https://github.com/maximdevere/CVE2/issues/3 ExploitIssue TrackingThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.4CVE-2025-10756Utt 840g firmware memory buffer overflow vulnerabilityA security flaw has been discovered in UTT HiPER 840G up to 3.1.1-190328. Impacted is an unknown function of the file /goform/getOneApConfTempEntry. …EPSS 0.87%7.4CVE-2025-7571Utt 840g firmware memory buffer overflow vulnerabilityA vulnerability classified as critical has been found in UTT HiPER 840G up to 3.1.1-190328. This affects an unknown part of the file /goform/aspApBas…EPSS 0.86%7.4CVE-2025-7570Utt 840g firmware memory buffer overflow vulnerabilityA vulnerability was found in UTT HiPER 840G up to 3.1.1-190328. It has been rated as critical. Affected by this issue is some unknown functionality o…EPSS 1.1%7.4CVE-2025-7118Utt 840g firmware memory buffer overflow vulnerabilityA vulnerability, which was classified as critical, has been found in UTT HiPER 840G up to 3.1.1-190328. This issue affects some unknown processing of…EPSS 0.93%7.4CVE-2025-7117Utt 840g firmware memory buffer overflow vulnerabilityA 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/we…EPSS 0.93%7.4CVE-2025-6733Utt 840g firmware memory buffer overflow vulnerabilityA vulnerability was found in UTT HiPER 840G up to 3.1.1-190328. It has been declared as critical. This vulnerability affects the function sub_416928 …EPSS 1.0%7.4CVE-2025-6734Utt 840g firmware memory buffer overflow vulnerabilityA vulnerability was found in UTT HiPER 840G up to 3.1.1-190328. It has been rated as critical. This issue affects the function sub_484E40 of the file…EPSS 1.0%7.4CVE-2025-6732Utt 840g firmware memory buffer overflow vulnerabilityA vulnerability was found in UTT HiPER 840G up to 3.1.1-190328. It has been classified as critical. This affects the function strcpy of the file /gof…EPSS 1.0%

Source: NIST National Vulnerability Database (record CVE-2025-11305), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.