High severity7.2NVD Advisory· Published Sep 15, 2026

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.

Affected products

Netcore/NR255-Vllm-fuzzy
Range: 1.5.130703
Draw Ctf/Netcore Router Public Refsllm-fuzzy
Range: 1.5.130703

Patches

Vulnerability mechanics

References

github.com/draw-ctf/netcore-router-public-refs/blob/main/2026.08.19-netcore-nr255v-reboot-timer-overflow.mdnvd
www.vulncheck.com/advisories/netcore-nr255-v-1.5.130703-stack-based-buffer-overflow-in-reboot-timer-set-cginvd

News mentions

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