Buffer Overflow Vulnerability in UTT HiPER 1250GW by UTT
CVE-2026-7420

8.7HIGH

Key Information:

Vendor

Utt

Status
Hiper 1250gw
Vendor
CVE Published:
29 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-7420?

A security vulnerability has been identified in UTT HiPER 1250GW, specifically in the strcpy function located in the route/goform/ConfigAdvideo file. This flaw allows an attacker to manipulate the Profile argument, leading to a buffer overflow condition. The vulnerability can be exploited remotely, making it a significant risk for affected devices. Publicly available exploit methods may increase the potential for real-world attacks on unpatched systems.

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-2026-7420 - Proof of Concept

References

https://vuldb.com/vuln/360157
vdb-entrytechnical-description
https://vuldb.com/vuln/360157/cti
signaturepermissions-required
https://vuldb.com/submit/803997
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

maple_s (VulDB User)
.