Missing Authorization Vulnerability in Netcore NBR100V2 by Netcore
CVE-2026-101000

10CRITICAL

Key Information:

Vendor

Netcore

Status
Nbr100v2
Vendor
CVE Published:
28 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-101000?

A significant vulnerability exists in the Netcore NBR100V2 router, specifically within the ACL Handler component. The flaw is found in the 'uci.apply' function of the unauthenticated.json file. By manipulating the argument section, an attacker is able to bypass necessary authorization checks remotely, potentially enabling them to exploit the device. Despite attempts to inform the vendor about this issue, there has been no response, raising concerns about the potential for misuse of this vulnerability.

Affected Version(s)

NBR100V2 1.3.240614.030928

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-101000 - Proof of Concept

References

https://vuldb.com/vuln/410870
vdb-entrytechnical-description
https://vuldb.com/vuln/410870/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-101000
third-party-advisory

CVSS V4

Score:
10
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

llsss (VulDB User)
VulDB CNA Team
.