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High · 8.8 CVE-2026-76861 EUVD-2026-80033GHSA-hj8p-w4gv-7pjf

Netcore NR255-V 1.5.130703 Stack-Based Buffer Overflow in ntools_tcpdump_start_set.cgi

Published Sep 15, 2026 · Updated Sep 21, 2026 · Assigned by VulnCheck

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.

Affected products

VendorProductAffectedFixed
Netcore NR255-V 1.5.130703 —

References