Stack-based Buffer Overflow in UTT HiPER 1200GW Web Management Interface
CVE-2026-9628

8.7HIGH

Key Information:

Vendor

Utt

Status
Hiper 1200gw
Vendor
CVE Published:
27 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-9628?

A stack-based buffer overflow vulnerability has been detected in the web management interface of the UTT HiPER 1200GW, specifically in the handling of forms within the PPTP client configuration file. This vulnerability can be exploited by manipulating the server address, username, password, or tunnel name parameters. An attacker can initiate this exploit remotely, leading to potential unauthorized access or control over the affected device. Publicly available exploits could facilitate such attacks, underscoring the need for users to apply security patches and updates promptly.

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-2026-9628 - Proof of Concept

References

https://vuldb.com/vuln/365684
vdb-entrytechnical-description
https://vuldb.com/vuln/365684/cti
signaturepermissions-required
https://vuldb.com/submit/818380
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

luozhibo (VulDB User)
.