Command Injection Vulnerability in QVidium Opera11 CGI Script
CVE-2026-82971

10CRITICAL

Key Information:

Vendor

Qvidium

Status
Opera11
Vendor
CVE Published:
31 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-82971?

A command injection vulnerability exists in the CGI script located at /cgi-bin/net_tr.cgi in QVidium Opera11 version 3.3.2a26-Ax4x-opera11. This vulnerability can be exploited by manipulating the 'ipaddr' argument, allowing attackers to execute arbitrary commands on the server. Given that QVidium has ceased operations, no patches or support will be provided, leaving affected users at significant risk. The exploit has been made publicly available, raising concerns for organizations still utilizing unsupported versions of this product.

Affected Version(s)

Opera11 3.3.2a26-Ax4x-opera11

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-2026-82971 - Proof of Concept

References

https://vuldb.com/vuln/397334
vdb-entrytechnical-description
https://vuldb.com/vuln/397334/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-82971
third-party-advisory

CVSS V4

Score:
10
Severity:
CRITICAL
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

huliangjia (VulDB User)
VulDB CNA Team
.