CVE-2026-76862 HIGH

CVE-2026-76862: Netcore NR255-V 1.5.130703 OS Command Argument Injection in Nettools tcpdump Launch Paths

Vendor Netcore
Product NR255-V
Weakness CWE-88
Published September 15, 2026
Last update September 15, 2026

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

September 15, 2026 CVE published