Buffer Overflow Vulnerability in UTT HiPER 810G by UTT
CVE-2026-3700

8.7HIGH

Key Information:

Vendor

Utt

Status
Hiper 810g
Vendor
CVE Published:
8 March 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-3700?

A buffer overflow vulnerability has been discovered in the UTT HiPER 810G, specifically affecting the strcpy function in the /goform/formConfigDnsFilterGlobal file. This vulnerability allows remote attackers to exploit the system, potentially compromising its integrity. The exploit has been publicly released, thereby increasing the risk of targeted attacks. Users are recommended to promptly assess their systems and apply necessary mitigations.

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Affected Version(s)

HiPER 810G 1.7.7-171114

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-3700 - Proof of Concept

References

https://vuldb.com/?id.349646
vdb-entrytechnical-description
https://vuldb.com/?ctiid.349646
signaturepermissions-required
https://vuldb.com/?submit.765750
third-party-advisory

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

yecp (VulDB User)
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