Buffer Overflow Vulnerability in UTT 进取 520W Product by UTT
CVE-2026-1138

8.7HIGH

Key Information:

Vendor

Utt

Status
进取 520w
Vendor
CVE Published:
19 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-1138?

A vulnerability exists in UTT 进取 520W version 1.7.7-180627 within the strcpy function located in /goform/ConfigExceptQQ. This flaw allows remote attackers to manipulate the system, potentially leading to a buffer overflow situation. If exploited, this vulnerability could allow unauthorized access or control over the device. Moreover, the vendor has been informed about this issue but has failed to respond.

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-2026-1138 - Proof of Concept

References

https://vuldb.com/?id.341729
vdb-entrytechnical-description
https://vuldb.com/?ctiid.341729
signaturepermissions-required
https://vuldb.com/?submit.735298
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)
.