---
id: CVE-2026-76862
title: >-
  Netcore NR255-V version 1.5.130703 contains an os command argument injection
  vulnerability in the Nettools tcpdump launch paths, including
  ntools_start_set_cgi, ntools_tcpdump_start_set_cgi, exe_default, and
  ntools_proc components
summary: >-
  Netcore NR255-V version 1.5.130703 contains an os command argument injection
  vulnerability in the Nettools tcpdump launch paths, including
  ntools_start_set_cgi, ntools_tcpdump_start_set_cgi, exe_default, and
  ntools_proc components. Attac…
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-88
vendor: Netcore
product: NR255-V
affected:
  - NR255-V 1.5.130703
published: '2026-09-15'
updated: '2026-09-17'
sourceUpdated: '2026-09-17T17:16:47.513'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-76862'
references:
  - url: >-
      https://github.com/draw-ctf/netcore-router-public-refs/blob/main/2026.08.19-netcore-nr255v-tcpdump-arg-injection.md
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/netcore-nr255-v-1.5.130703-os-command-argument-injection-in-nettools-tcpdump-launch-paths
    label: disclosure@vulncheck.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-17T16:53:48.461183Z'
epss: 0.00415
epssPercentile: 0.35382
ingestedAt: '2026-09-15T22:45:31.288Z'
---

## Overview

Netcore NR255-V version 1.5.130703 contains an os command argument injection vulnerability in the Nettools tcpdump launch paths, including ntools_start_set_cgi, ntools_tcpdump_start_set_cgi, exe_default, and ntools_proc components. Attackers can inject crafted arguments into these tcpdump launch routines to manipulate executed system commands on the device.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.