CVE-2026-94097
Received Received - Intake

Command Injection in Netcore NBR200V2 Router

Publication date: 2026-09-21

Last updated on: 2026-09-21

Assigner: VulDB

Description
A vulnerability was determined in Netcore NBR200V2 1.3.241127.071246. This affects an unknown part of the file /www/cgi-bin/network_tools of the component CGI Diagnostic Endpoint. This manipulation of the argument param/key/val causes command injection. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

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Meta Information

Published
2026-09-21
Last Modified
2026-09-21
Generated
2026-09-21
AI Q&A
2026-09-21
EPSS Evaluated
N/A
NVD
CVE-2026-94097
EUVD
EUVD-2026-83808

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
netcore nbr200v2 1.3.241127.071246

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-74 The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.
CWE-77 The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.

Attack-Flow Graph

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Executive Summary

This vulnerability is a command injection flaw in the Netcore NBR200V2 device version 1.3.241127.071246. It exists in the CGI Diagnostic Endpoint at the file path /www/cgi-bin/network_tools. The issue allows an attacker to inject malicious commands through the parameters param, key, or val, leading to unauthorized system command execution. The attack can be performed remotely without authentication.

Detection Guidance

This vulnerability involves command injection via the /www/cgi-bin/network_tools CGI endpoint in Netcore NBR200V2 1.3.241127.071246. To detect it, scan for open ports 80/443 and check for requests to /www/cgi-bin/network_tools with param/key/val parameters. Use tools like curl to test for command injection by sending crafted inputs.

Impact Analysis

This vulnerability allows remote attackers to execute arbitrary commands on the affected device with high privileges. This could lead to full system compromise, data theft, unauthorized access, or disruption of network services. Since the device is likely a network router, attackers could intercept traffic, install malware, or pivot to other systems on the network.

Mitigation Strategies

Immediately isolate affected devices from the network to prevent exploitation. Disable or block access to the /www/cgi-bin/network_tools endpoint via firewall rules. Update to a patched firmware version if available. Monitor network traffic for suspicious activity targeting this endpoint.

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