What’s Vulnerable › Vulnerabilities

CVE-2026-94100: Netcore NBR200V2 WAN VLAN Reconfiguration routerd wan_config_set_vlan buffer overflow

• Severity: critical (CVSS 9.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-21 · updated 2026-09-21
• Weakness: CWE-119

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.

Affected products

• Netcore NBR200V2: 1.3.241127.071246

References

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

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