Buffer Overflow Vulnerability in UTT 进取 520W Products
CVE-2026-0841

8.7HIGH

Key Information:

Vendor

Utt

Status
进取 520w
Vendor
CVE Published:
11 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-0841?

A buffer overflow vulnerability has been identified in the UTT 进取 520W product, specifically within the strcpy function located in the /goform/formPictureUrl file. This vulnerability arises from improper handling of the importpictureurl argument, allowing an attacker to exploit the flaw remotely. The exploit is publicly available and raises significant security concerns, particularly given that the vendor has not responded to disclosure attempts.

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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-2026-0841 - Proof of Concept

References

https://vuldb.com/?id.340441
vdb-entrytechnical-description
https://vuldb.com/?ctiid.340441
signaturepermissions-required
https://vuldb.com/?submit.729030
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

GUOTINGTING (VulDB User)
JSON
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