---
title: "CVE-2026-94100: Netcore NBR200V2 - Buffer Overflow"
description: "Netcore NBR200V2 1.3.241127.071246 contains a buffer overflow caused by manipulation of the argument vlan_wanX.ports in wan_config_set_vlan function of /usr/bin/routerd, letting remote attackers cause memory corruption, exploit requires remote access."
url: https://panop.io/threat-heartbeat/CVE-2026-94100/
---

# CVE-2026-94100 Netcore NBR200V2 - Buffer Overflow

Netcore NBR200V2 1.3.241127.071246 contains a buffer overflow caused by manipulation of the argument vlan\_wanX.ports in wan\_config\_set\_vlan function of /usr/bin/routerd, letting remote attackers cause memory corruption, exploit requires remote access.

CVSS base score 9.9 /10

Critical

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.80% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-94100)

## Details

Type

Buffer Overflow

Impact

Remote Code Execution, Denial Of Service

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Published

21 September 2026

Updated

15 October 2026

Weakness

[CWE-119](https://cwe.mitre.org/data/definitions/119.html)

## Vendor fix

Update to the latest version when available.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-94100](https://nvd.nist.gov/vuln/detail/CVE-2026-94100)
- [https://vuldb.com/vuln/408029](https://vuldb.com/vuln/408029)
- [https://vuldb.com/vuln/408029/cti](https://vuldb.com/vuln/408029/cti)
- [https://app.notion.com/p/Netcore-NBR200V2-Vul-8-39f797159f158003ad3eff2fd36342b6](https://app.notion.com/p/Netcore-NBR200V2-Vul-8-39f797159f158003ad3eff2fd36342b6)
- [https://vuldb.com/cve/CVE-2026-94100](https://vuldb.com/cve/CVE-2026-94100)
- [https://vuldb.com/submit/892994](https://vuldb.com/submit/892994)

[← All CVEs](https://panop.io/threat-heartbeat/)

## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

[Book a demo](https://panop.io/demo)