CVE-2026-94100

CRITICAL 9.9

Netcore NBR200V2 WAN VLAN Reconfiguration routerd wan_config_set_vlan buffer overflow

CVSS Score

9.9

EPSS Score

0.0%

EPSS Percentile

0th

A weakness has been identified in Netcore NBR200V2 1.3.241127.071246. Impacted is the function wan_config_set_vlan of the file /usr/bin/routerd of the component WAN VLAN Reconfiguration. Executing a manipulation of the argument vlan_wanX.ports can lead to buffer overflow. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

CWE	CWE-120 CWE-119
Vendor	netcore
Product	nbr200v2
Published	Sep 21, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Netcore / NBR200V2

1.3.241127.071246

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/408029 vuldb.com: https://vuldb.com/vuln/408029/cti vuldb.com: https://vuldb.com/cve/CVE-2026-94100 vuldb.com: https://vuldb.com/submit/892994 app.notion.com: https://app.notion.com/p/Netcore-NBR200V2-Vul-8-39f797159f158003ad3eff2fd36342b6

Credits

🔍 FirmHarness (VulDB User) VulDB CNA Team