Buffer Overflow Vulnerability in UTT HiPER 1200GW Device
CVE-2026-4487

8.7HIGH

Key Information:

Vendor

Utt

Status
Hiper 1200gw
Vendor
CVE Published:
20 March 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-4487?

A buffer overflow vulnerability has been identified in the UTT HiPER 1200GW device affecting versions up to 2.5.3-170306. The flaw arises within the strncpy function of the /goform/websHostFilter file, allowing attackers to exploit this vulnerability remotely. This manipulation could lead to unauthorized access or manipulation of sensitive data within the device, highlighting the necessity for immediate attention and patching.

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Affected Version(s)

HiPER 1200GW 2.5.3-170306

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-2026-4487 - Proof of Concept

References

https://vuldb.com/?id.352010
vdb-entrytechnical-description
https://vuldb.com/?ctiid.352010
signaturepermissions-required
https://vuldb.com/?submit.773538
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

kunlun (VulDB User)
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