Buffer Overflow Vulnerability in UTT HiPER 1250GW Web Management Interface
CVE-2026-9631

8.7HIGH

Key Information:

Vendor

Utt

Status
Hiper 1250gw
Vendor
CVE Published:
27 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-9631?

A buffer overflow vulnerability exists in the Web Management Interface of UTT HiPER 1250GW versions up to 3.2.7-210907-180535. This issue arises from improper handling of the strcpy function in the formConfigFastDirectionW module, specifically when manipulating the Profile argument. A remote attacker could exploit this vulnerability to execute arbitrary code, potentially compromising the device's integrity and security. As this exploit is now public, immediate action is required to mitigate the risks associated with this security flaw.

Affected Version(s)

HiPER 1250GW 3.2.7-210907-180535

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-2026-9631 - Proof of Concept

References

https://vuldb.com/vuln/365740
vdb-entrytechnical-description
https://vuldb.com/vuln/365740/cti
signaturepermissions-required
https://vuldb.com/submit/818375
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

zhouguobing (VulDB User)
.