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.

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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-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)
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