Buffer Overflow Vulnerability in UTT HiPER 840G Network Device
CVE-2025-7117

8.7HIGH

Key Information:

Vendor

Utt

Status
Hiper 840g
Vendor
CVE Published:
7 July 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-7117?

A vulnerability was identified in the UTT HiPER 840G network device, specifically within the code handling the /goform/websWhiteList file. The issue arises from the manipulation of the addHostFilter argument, which can lead to a buffer overflow. This vulnerability allows attackers to initiate exploits remotely, raising concerns for users of affected versions. The vendor has been informed of the issue but has not provided a response, leaving potential exploitation risks unaddressed.

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-2025-7117 - Proof of Concept

References

https://vuldb.com/?id.315028
vdb-entrytechnical-description
https://vuldb.com/?ctiid.315028
signaturepermissions-required
https://vuldb.com/?submit.605864
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-2025-7117 : Buffer Overflow Vulnerability in UTT HiPER 840G Network Device