Is CVE-2026-76869 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-76869?

CVE-2026-76869 has a CVSS v3 severity of HIGH (7.2).

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CVE-2026-76869

Description

Netcore NR255-V version 1.5.130703 contains a stack-based buffer overflow in reboot_timer_set.cgi caused by improper sscanf token parsing. Attackers can exploit this flaw by submitting crafted input to the affected endpoint to corrupt stack memory.