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CVE-2026-3814 - Vulnerability Analysis

HighCVSS: 8.8

Last Updated: March 10, 2026

UTT HiPER 810G - Buffer Overflow

Published: March 9, 2026Updated: March 10, 2026PoC AvailableRemote Exploitable

Overview

UTT HiPER 810G <= 1.7.7-1711 contains a buffer overflow caused by improper use of strcpy in /goform/getOneApConfTempEntry, letting remote attackers cause memory corruption, exploit requires crafted request.

Severity & Score

Severity: High

CVSS Score: 8.8

EPSS Score: 7.1%(Probability of exploitation in next 30 days)

Impact

Remote attackers can cause memory corruption, potentially leading to denial of service or code execution.

Mitigation

Update to the latest version beyond 1.7.7-1711.

References

Social Media Activity(2 posts)

TheHackerWire

@thehackerwire

Mar 9, 2026

🟠 CVE-2026-3814 - High (8.8) A 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/getOneApConfTempEntry. Performing a manipulation results in buffer overflow. It is possible to initiate the a... 🔗 https://www.thehackerwire.com/vulnerability/CVE-2026-3814/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

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Offensive Sequence

@offseq

Mar 9, 2026

🚨 HIGH severity (CVSS 8.7) buffer overflow in UTT HiPER 810G (≤1.7.7-1711), via strcpy in /goform/getOneApConfTempEntry. Public exploit released — urgent monitoring advised. CVE-2026-3814 https://radar.offseq.com/threat/cve-2026-3814-buffer-overflow-in-utt-hiper-810g-7866271a #OffSeq #Vulnerability #UTT #InfoSec

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Related Resources

Details

CVE ID: CVE-2026-3814
Severity: High
CVSS Score: 8.8
Type: buffer_overflow
Status: confirmed
EPSS: 7.1%
Social Posts: 2

CWE

CWE-119

CVSS Metrics

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Score

7.1%Probability of exploitation in the next 30 days