CVE-2026-94100

9.9 CRITICAL

Published 2026-09-21 · Updated 2026-09-21

AI risk analysis

Summary: The flaw is a buffer overflow vulnerability in the Netcore NBR200V2 1.3.241127.071246 firmware, specifically in the wan_config_set_vlan function. This allows remote attackers to exploit the vulnerability by manipulating the vlan_wanX.ports argument, leading to potential system compromise.
Exploitability: Exploitation is relatively straightforward given the remote execution vector and the availability of a public exploit. Precondition is the presence of the affected firmware version.
Blast radius: If exploited, the vulnerability could lead to complete system compromise, allowing attackers to gain full control over the device and potentially the network it is connected to.
Detection: No reliable host or network indicator is derivable from the published description.
Prioritized remediation: Upgrade to the latest firmware version 1.3.241127.071246 or later.

buffer-overflowremote-code-executionfirmwarewan

Analysis generated locally by qwen2.5:7b-instruct (no data left the box). AI-assisted — verify against primary sources before acting.

NVD description

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.

CVSS vector

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

Weaknesses

CWE-119, CWE-120

All references

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.

Related CVEs

Related by shared AI tags and CWE weakness class. Browse the full archive.