CVE-2026-94100CWE-119CWE-120

CVE-2026-94100

Critical · published September 21, 2026

CVSS v3.1
9.9
EPSS
1%
Percentile
56.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.9 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
9.4 · 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
EPSS
0.00805 · 56.4th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Published
2026-09-21T05:16Z
References (5)
https://app.notion.com/p/Netcore-NBR200V2-Vul-8-39f797159f158003ad3eff2fd36342b6 · [email protected]https://vuldb.com/cve/CVE-2026-94100 · [email protected]https://vuldb.com/submit/892994 · [email protected]https://vuldb.com/vuln/408029 · [email protected]https://vuldb.com/vuln/408029/cti · [email protected]
EPSS history
Timeline
  • 22 SEP 03:44Z
    EPSS moved — → 0%
    epss
  • 21 SEP 00:30Z
    Netcore NBR200V2 WAN VLAN Reconfiguration routerd wan_config_set_vlan buffer overflow
    cvelistv5