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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.005 (45.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 45.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Netcore Nr255-V — versions 1.5.130703
Weakness classification (CWE)
References
- github.com/draw-ctf/netcore-router-public-refs/blob/main/2026.08.19-netcore-nr2… (third-party-advisory)
- www.vulncheck.com/advisories/netcore-nr255-v-1.5.130703-os-command-argument-inj… (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.