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Vulnerability record · CVE-2026-94100 · published 21 September 2026

CVE-2026-94100: Memory buffer overflow vulnerability

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.

8.6 CVSS 4.0 High EPSS 0.80% · top 45.0% CWE-119 · Memory buffer overflowCWE-120 · Classic buffer overflow Deferred
8.6CVSS 4.0 base score, v2 9.0
0.80%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
5References
21 Sep 2026Last modified by 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:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
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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Source: NIST National Vulnerability Database (record CVE-2026-94100), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.