What’s Vulnerable › Vulnerabilities

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

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-15 · updated 2026-09-17
• Weakness: CWE-88

Description

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.

Affected products

• Netcore NR255-V: 1.5.130703

References

• https://github.com/draw-ctf/netcore-router-public-refs/blob/main/2026.08.19-netcore-nr255v-tcpdump-arg-injection.md
• https://www.vulncheck.com/advisories/netcore-nr255-v-1.5.130703-os-command-argument-injection-in-nettools-tcpdump-launch-paths

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