Buffer Overflow Vulnerability in UTT HiPER 840G by UTT
CVE-2025-10756

8.7HIGH

Key Information:

Vendor

Utt

Status
Hiper 840g
Vendor
CVE Published:
20 September 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-10756?

A security flaw has been identified in the UTT HiPER 840G device that allows for a buffer overflow through the manipulation of the 'tempName' argument within the /goform/getOneApConfTempEntry function. This vulnerability can be exploited remotely, enabling attackers to potentially disrupt the device's normal operations. The issue was reported to the vendor prior to public disclosure, but there has been no response regarding remediation efforts.

Affected Version(s)

HiPER 840G 3.1.1-190328

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-2025-10756 - Proof of Concept

References

https://vuldb.com/?id.325111
vdb-entrytechnical-description
https://vuldb.com/?ctiid.325111
signaturepermissions-required
https://vuldb.com/?submit.645678
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

cymiao (VulDB User)
.
CVE-2025-10756 : Buffer Overflow Vulnerability in UTT HiPER 840G by UTT