Buffer Overflow Vulnerability in UTT HiPER 840G by UTT
CVE-2025-7118

8.7HIGH

Key Information:

Vendor

Utt

Status
Hiper 840g
Vendor
CVE Published:
7 July 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-7118?

A buffer overflow vulnerability has been identified in the UTT HiPER 840G, specifically affecting versions up to 3.1.1-190328. The issue arises from improper handling of the /goform/formPictureUrl file, particularly with the argument importpictureurl. This vulnerability allows an attacker to potentially exploit the system remotely, raising severe security concerns. Despite attempts to notify the vendor regarding the issue, no response was received, thereby leaving users unprotected against potential exploitation.

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-2025-7118 - Proof of Concept

References

https://vuldb.com/?id.315029
vdb-entrytechnical-description
https://vuldb.com/?ctiid.315029
signaturepermissions-required
https://vuldb.com/?submit.605875
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

yuhongxiang (VulDB User)
.
CVE-2025-7118 : Buffer Overflow Vulnerability in UTT HiPER 840G by UTT