What is CVE-2026-76862?

CVE-2026-76862 is a high-severity vulnerability in Netcore Nr255-V, classified under Argument Injection. CVSS score: 8.8/10. Published 2026-09-15.

How severe is CVE-2026-76862?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Netcore Nr255-V

CVE-2026-76862

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.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Netcore Nr255-v — versions 1.5.130703

Weakness classification (CWE)

CWE-88 — Argument Injection

References

disclosure@vulncheck.com (third-party-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-76862?: CVE-2026-76862 is a high-severity vulnerability in Netcore Nr255-V, classified under Argument Injection. CVSS score: 8.8/10. Published 2026-09-15.
How severe is CVE-2026-76862?: High severity. CVSS v3 base score is 8.8 out of 10.