Command Injection Vulnerability in Netcore NBR200V2 Firmware Upgrade
CVE-2026-94098

9.4CRITICAL

Key Information:

Vendor

Netcore

Status
Nbr200v2
Vendor
CVE Published:
21 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-94098?

A command injection vulnerability has been discovered in the Netcore NBR200V2 device specifically impacting the Firmware Upgrade CGI Endpoint. This issue arises from improper handling of the QUERY_STRING argument, allowing remote attackers to execute arbitrary commands on the affected system. Publicly available exploitation methods heighten the risk, emphasizing the need for immediate attention. Despite early notification, the vendor has not issued a response regarding this critical security concern.

Affected Version(s)

NBR200V2 1.3.241127.071246

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-2026-94098 - Proof of Concept

References

https://vuldb.com/vuln/408027
vdb-entrytechnical-description
https://vuldb.com/vuln/408027/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-94098
third-party-advisory

CVSS V4

Score:
9.4
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

FirmHarness (VulDB User)
VulDB CNA Team
.