Buffer Overflow Vulnerability in UTT 进取 520W by UTT
CVE-2025-15462

8.7HIGH

Key Information:

Vendor

Utt

Status
进取 520w
Vendor
CVE Published:
5 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-15462?

A buffer overflow vulnerability has been identified in the UTT 进取 520W router, specifically within the strcpy function in the /goform/ConfigAdvideo file. This issue arises when the argument 'timestart' is manipulated, allowing an attacker to execute arbitrary code remotely. The vulnerability poses a significant risk as it was publicly disclosed and remains unaddressed, leaving systems open to exploitation. The vendor has been notified of the issue; however, there has been no response from them.

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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-2025-15462 - Proof of Concept

References

https://vuldb.com/?id.339498
vdb-entrytechnical-description
https://vuldb.com/?ctiid.339498
signaturepermissions-required
https://vuldb.com/?submit.725819
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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