CVE-2026-76861
HIGH
NVD
CVSS Score
8.8
Severity
HIGH
Published
Sep 15, 2026
Vendor
unknown
Description
Netcore NR255-V version 1.5.130703 contains a stack-based buffer overflow in ntools_tcpdump_start_set.cgi caused by an unsized sprintf call when processing form values. An attacker can submit crafted input to this cgi endpoint to overflow the stack buffer and potentially execute arbitrary code.