6.9
MEDIUM CVSS 4.0
CVE-2026-76868
Netcore NR255-V 1.5.130703 NULL Pointer Dereference in route_policy_add.cgi via Missing exit_port
Description

Netcore NR255-V version 1.5.130703 contains a null pointer dereference vulnerability in route_policy_add.cgi caused by a missing exit_port parameter. Attackers can send requests lacking the exit_port field to trigger the null pointer dereference, resulting in a denial of service.

INFO

Published Date :

Sept. 15, 2026, 10:17 p.m.

Last Modified :

Sept. 15, 2026, 10:17 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-76868 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 3.1 MEDIUM [email protected]
CVSS 4.0 MEDIUM 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 4.0 MEDIUM [email protected]
Solution
Update firmware to fix null pointer dereference leading to denial of service.
  • Update the device firmware to the latest version.
  • Ensure all required parameters are present in requests.
  • Sanitize user input for exit_port parameter.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-76868.

URL Resource
https://github.com/draw-ctf/netcore-router-public-refs/blob/main/2026.08.19-netcore-nr255v-route-policy-null-deref.md
https://www.vulncheck.com/advisories/netcore-nr255-v-1.5.130703-null-pointer-dereference-in-route-policy-add-cgi-via-missing-exit-port
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-76868 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-76868 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-76868 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-76868 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Sep. 15, 2026

    Action Type Old Value New Value
    Added Description Netcore NR255-V version 1.5.130703 contains a null pointer dereference vulnerability in route_policy_add.cgi caused by a missing exit_port parameter. Attackers can send requests lacking the exit_port field to trigger the null pointer dereference, resulting in a denial of service.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/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:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
    Added CWE CWE-476
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/76xxx/CVE-2026-76868.json">CVE-2026-76868</a>
    Added Reference https://github.com/draw-ctf/netcore-router-public-refs/blob/main/2026.08.19-netcore-nr255v-route-policy-null-deref.md
    Added Reference https://www.vulncheck.com/advisories/netcore-nr255-v-1.5.130703-null-pointer-dereference-in-route-policy-add-cgi-via-missing-exit-port
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.