Cross-Site Scripting Vulnerability in Netcore NR268 Web UI
CVE-2026-108908

4.8MEDIUM

Key Information:

Vendor

Netcore

Status
Nr268
Vendor
CVE Published:
12 October 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-108908?

A cross-site scripting vulnerability has been identified in the Netcore NR268 Web UI, specifically within the eval function located in /router/l7_call_board_user_set.cgi. The vulnerability allows remote attackers to manipulate the arguments such as title, note, URL, or content. This exploitation can lead to unauthorized script execution in the context of the affected web application, posing significant risks to user data and application integrity. There are reports of publicly available exploits, and despite early notifications to the vendor, there has been no response or remediation offered.

Affected Version(s)

NR268 1.7.121109

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-2026-108908 - Proof of Concept

References

https://vuldb.com/vuln/416703
vdb-entrytechnical-description
https://vuldb.com/vuln/416703/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-108908
third-party-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

nebula (VulDB User)
VulDB CNA Team
.