# CVE-2026-94098: Netcore NBR200V2 command injection in firmware upgrade endpoint

Source: https://junglewise.ai/threats/cve-2026-94098-a-vulnerability-was-identified-in-netcore-nbr200v2-1-3-241127  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-21. Updated: 2026-09-26  
License: CC BY 4.0 with a link back

CVE-2026-94098 · Severity: critical · CVSS 9.1 · Published 2026-09-21

Netcore NBR200V2 is a network router used to manage corporate connectivity. An attacker can remotely inject arbitrary system commands through the firmware upgrade interface, allowing them to execute code with full device privileges. This could lead to network compromise, data theft, or device takeover.

Technologies: [Netcore NBR200V2](https://junglewise.ai/threats/technologies/nbr200v2). Vendors: [Netcore](https://junglewise.ai/threats/vendors/netcore).

## Quick answers

**Is CVE-2026-94098 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-94098 being exploited in the wild.

**How severe is CVE-2026-94098?** Critical severity, with a CVSS score of 9.1, published 21 September 2026.

**Which products and versions are affected?** Netcore NBR200V2 1.3.241127.071246.

**Is there a fix for CVE-2026-94098?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-94098 attacked?** It is attacked over the network, in device firmware.

**Am I affected by CVE-2026-94098?** Check whether you run Netcore NBR200V2 at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

A command injection vulnerability exists in the /www/cgi-bin/upgrade firmware upgrade CGI endpoint, where the QUERY_STRING parameter is not properly sanitized before being passed to system calls. An unauthenticated remote attacker can exploit this flaw over the network to execute arbitrary commands on the device. The vulnerability is publicly exploitable and the vendor has not provided a patch.

## Affected products

- Netcore NBR200V2 1.3.241127.071246

## Timeline

- 2026-09-21: disclosed: Public disclosure of CVE-2026-94098

## References

- [https://app.notion.com/p/Netcore-NBR200V2-Vul-6-39f797159f1580259aa3cc1d0f512fde](https://app.notion.com/p/Netcore-NBR200V2-Vul-6-39f797159f1580259aa3cc1d0f512fde)
- [https://vuldb.com/cve/CVE-2026-94098](https://vuldb.com/cve/CVE-2026-94098)

## Related threats

- [Netcore NBR200V2 authenticated command injection in Tools Ping](https://junglewise.ai/threats/cve-2026-101002-a-security-flaw-has-been-discovered-in-netcore-nbr200v2-1-3)
- [Netcore NBR200V2 command injection in network_tools](https://junglewise.ai/threats/cve-2026-101001-a-vulnerability-was-identified-in-netcore-nbr200v2-1-3-241127)
- [Netcore NBR200V2 buffer overflow in routerd VLAN handler](https://junglewise.ai/threats/cve-2026-94101-a-security-vulnerability-has-been-detected-in-netcore-nbr200v2-1)
- [Netcore NBR200V2 buffer overflow in WAN VLAN configuration](https://junglewise.ai/threats/cve-2026-94100-a-weakness-has-been-identified-in-netcore-nbr200v2-1-3-241127)
- [Netcore NBR200V2 command injection in restore.cgi](https://junglewise.ai/threats/cve-2026-94099-a-security-flaw-has-been-discovered-in-netcore-nbr200v2-1-3)