Buffer Overflow Vulnerability in UTT ่ฟ›ๅ– 512W Product
CVE-2025-15430

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-2025-15430?

A vulnerability has been identified in the UTT ่ฟ›ๅ– 512W firmware version 1.7.7-171114, which affects the strcpy function found in the /goform/formFtpServerShareDirSelcet file. A remote attacker could exploit this vulnerability by manipulating the oldfilename argument, leading to a buffer overflow condition. Since the exploit is publicly available, it poses a significant risk to users. Despite early notification to the vendor, no response was received regarding this critical issue.

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-2025-15430 - Proof of Concept

References

https://vuldb.com/?id.339352
vdb-entrytechnical-description
https://vuldb.com/?ctiid.339352
signaturepermissions-required
https://vuldb.com/?submit.721888
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-2025-15430 : Buffer Overflow Vulnerability in UTT ่ฟ›ๅ– 512W Product