Buffer Overflow Vulnerability in UTT 进取 520W Products
CVE-2025-15460

8.7HIGH

Key Information:

Vendor

Utt

Status
进取 520w
Vendor
CVE Published:
5 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-15460?

A vulnerability exists in the UTT 进取 520W router version 1.7.7-180627, specifically within the strcpy function in the file /goform/formPptpClientConfig. By manipulating the EncryptionMode argument, an attacker can cause a buffer overflow, leading to potential remote exploitation. Publicly disclosed exploitation methods may be utilized by malicious users, highlighting the urgent need for affected users to address this security issue.

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Deploy the Patch

Affected Version(s)

进取 520W 1.7.7-180627

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-2025-15460 - Proof of Concept

References

https://vuldb.com/?id.339496
vdb-entrytechnical-description
https://vuldb.com/?ctiid.339496
signaturepermissions-required
https://vuldb.com/?submit.725817
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)
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