Buffer Overflow Vulnerability in UTT 进取 512W Router by UTT
CVE-2025-14535

9.3CRITICAL

Key Information:

Vendor

Utt

Status
进取 512w
Vendor
CVE Published:
11 December 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-14535?

A buffer overflow vulnerability exists in the UTT 进取 512W router that can be exploited remotely. The flaw resides in the strcpy function of the formConfigFastDirectionW component, where improper handling of the ssid argument can lead to memory corruption. This could allow an attacker to execute arbitrary code or cause denial of service. The exploit is publicly available, raising significant concerns for system administrators. UTT has been made aware of the issue, but no response was received regarding remediation.

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Affected Version(s)

进取 512W 3.1.7.7-171114

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-2025-14535 - Proof of Concept

References

https://vuldb.com/?id.335874
vdb-entrytechnical-description
https://vuldb.com/?ctiid.335874
signaturepermissions-required
https://vuldb.com/?submit.703621
third-party-advisory

CVSS V4

Score:
9.3
Severity:
CRITICAL
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

MaximDeVere (VulDB User)
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