OS Command Injection Vulnerability in Netcore NAP930 Network Tools CGI
CVE-2026-102240

10CRITICAL

Key Information:

Vendor

Netcore

Status
Nap930
Vendor
CVE Published:
29 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-102240?

An OS command injection vulnerability was identified in the Netcore NAP930 router's Network Tools CGI component. This flaw occurs within the eval function of the /www/cgi-bin/network_tools file, where manipulation of the input parameter 'sid' enables attackers to execute arbitrary operating system commands remotely. The exploit has been publicly disclosed, raising significant security concerns for users of affected versions. Despite early communication with the vendor, no response was received regarding this critical issue.

Affected Version(s)

NAP930 0.1.241010.141410

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-2026-102240 - Proof of Concept

References

https://vuldb.com/vuln/411139
vdb-entrytechnical-description
https://vuldb.com/vuln/411139/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-102240
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

yyycl (VulDB User)
VulDB CNA Team
.