CVE-2026-76866

HighCVSS 7.2/10Last modified Sep 21, 2026

Description

Netcore NR255-V firmware version 1.5.130703 builds root-run command lines from unquoted user-supplied DDNS input in DDNSset_cgi.c and related ddns_Proc.c components, enabling os command argument injection. Attackers can exploit the unsanitized parameters to inject additional command arguments executed with root privileges.

Metrics

CVSS 3.1 7.2/10CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-88

Affected software

No affected versions have been published.

Timeline

Published: Sep 15, 2026
Last modified: Sep 21, 2026
NVD status: Deferred

Related CVEs from 2026

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