Buffer Overflow Vulnerability in UTT ่ฟ›ๅ– 512W by UTT
CVE-2025-15431

8.7HIGH

Key Information:

Vendor

Utt

Status
่ฟ›ๅ– 512w
Vendor
CVE Published:
2 January 2026

Badges

๐Ÿ‘พ Exploit Exists๐ŸŸก Public PoC

What is CVE-2025-15431?

A security flaw has been discovered in the UTT ่ฟ›ๅ– 512W product, specifically within the strcpy function located in /goform/formFtpServerDirConfig. This vulnerability allows attackers to exploit the argument manipulation of the filename, potentially leading to a buffer overflow condition. The exploit can be executed remotely, presenting a significant risk for systems running the affected version. Despite the disclosure reaching the vendor early on, there has been no response or mitigation provided. Organizations using this product are advised to evaluate their security posture and consider necessary protective measures.

Affected Version(s)

่ฟ›ๅ– 512W 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-2025-15431 - Proof of Concept

References

https://vuldb.com/?id.339353
vdb-entrytechnical-description
https://vuldb.com/?ctiid.339353
signaturepermissions-required
https://vuldb.com/?submit.721889
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

  • ๐ŸŸก

    Public PoC available

  • ๐Ÿ‘พ

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

GUOTINGTING (VulDB User)
JSON
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CVE-2025-15431 : Buffer Overflow Vulnerability in UTT ่ฟ›ๅ– 512W by UTT