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Vulnerability record · CVE-2026-3700 · published 8 March 2026

CVE-2026-3700: Utt 810g firmware memory buffer overflow vulnerability

UUtt · 810g Firmware

A weakness has been identified in UTT HiPER 810G up to 1.7.7-171114. Affected is the function strcpy of the file /goform/formConfigDnsFilterGlobal. This manipulation causes buffer overflow. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks.

7.4 CVSS 4.0 High EPSS 1.0% · top 38.4% CWE-119 · Memory buffer overflowCWE-120 · Classic buffer overflow
7.4CVSS 4.0 base score, v2 9.0
1.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 1 tagged exploit
17 Jun 2026Last modified by NVD

Description

A weakness has been identified in UTT HiPER 810G up to 1.7.7-171114. Affected is the function strcpy of the file /goform/formConfigDnsFilterGlobal. This manipulation causes buffer overflow. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks.

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/7wkajk/CVE-VUL/blob/main/1.md ExploitThird Party Advisory
https://vuldb.com/?ctiid.349646 Permissions RequiredVDB Entry
https://vuldb.com/?id.349646 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.765750 Third Party AdvisoryVDB Entry

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Related vulnerabilities

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

7.4CVE-2026-3815Utt 810g firmware memory buffer overflow vulnerabilityA weakness has been identified in UTT HiPER 810G up to 1.7.7-1711. This affects the function strcpy of the file /goform/formApMail. Executing a manip…EPSS 1.0%7.4CVE-2026-3814Utt 810g firmware memory buffer overflow vulnerabilityA security flaw has been discovered in UTT HiPER 810G up to 1.7.7-1711. Affected by this issue is the function strcpy of the file /goform/getOneApCon…EPSS 1.0%7.4CVE-2026-3699Utt 810g firmware memory buffer overflow vulnerabilityA security flaw has been discovered in UTT HiPER 810G up to 1.7.7-171114. This impacts the function strcpy of the file /goform/formRemoteControl. The…EPSS 1.0%7.4CVE-2026-3698Utt 810g firmware memory buffer overflow vulnerabilityA vulnerability was identified in UTT HiPER 810G up to 1.7.7-171114. This affects the function strcpy of the file /goform/NTP. The manipulation leads…EPSS 1.0%7.4CVE-2026-3016Utt 810g firmware memory buffer overflow vulnerabilityA vulnerability was identified in UTT HiPER 810G up to 1.7.7-171114. The affected element is the function strcpy of the file /goform/formP2PLimitConf…EPSS 1.0%7.4CVE-2026-3015Utt 810g firmware memory buffer overflow vulnerabilityA vulnerability was determined in UTT HiPER 810G up to 1.7.7-171114. Impacted is the function strcpy of the file /goform/formPolicyRouteConf. Executi…EPSS 1.0%7.4CVE-2026-2981Utt 810g firmware memory buffer overflow vulnerabilityA vulnerability was found in UTT HiPER 810G up to 1.7.7-1711. The affected element is the function strcpy of the file /goform/formTaskEdit_ap. The ma…EPSS 1.0%7.4CVE-2026-2904Utt 810g firmware memory buffer overflow vulnerabilityA vulnerability was determined in UTT HiPER 810G 1.7.7-171114. This affects the function strcpy of the file /goform/ConfigExceptAli. Executing a mani…EPSS 1.0%

Source: NIST National Vulnerability Database (record CVE-2026-3700), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.