Buffer Overflow Vulnerability in UTT 进取 520W by UTT
CVE-2026-1140

8.7HIGH

Key Information:

Vendor

Utt

Status
进取 520w
Vendor
CVE Published:
19 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-1140?

A vulnerability in UTT 进取 520W version 1.7.7-180627 affects the strcpy function in the /goform/ConfigExceptAli file. This flaw allows for a buffer overflow, which can be exploited remotely. The potential for exploitation has been publicly acknowledged, with the vendor contacted for resolution but remaining unresponsive. Users are advised to take precautions against potential attacks exploiting this vulnerability.

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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-2026-1140 - Proof of Concept

References

https://vuldb.com/?id.341731
vdb-entrytechnical-description
https://vuldb.com/?ctiid.341731
signaturepermissions-required
https://vuldb.com/?submit.735300
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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