Buffer Overflow Vulnerability in UTT HiPER 840G Network Device
CVE-2025-7571

8.7HIGH

Key Information:

Vendor

Utt

Status
Hiper 840g
Vendor
CVE Published:
14 July 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-7571?

A buffer overflow vulnerability exists in the UTT HiPER 840G network device, specifically within the /goform/aspApBasicConfigUrcp file. This vulnerability is triggered when the Username argument is improperly handled, allowing an attacker to potentially execute code remotely. Disclosures regarding the exploit have surfaced publicly, and despite early notification to the vendor, no response has been made. Organizations using affected versions are at risk and should implement necessary security measures to mitigate potential exploitation.

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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-2025-7571 - Proof of Concept

References

https://vuldb.com/?id.316269
vdb-entrytechnical-description
https://vuldb.com/?ctiid.316269
signaturepermissions-required
https://vuldb.com/?submit.607747
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)
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