CVE-2026-76869 HIGH

CVE-2026-76869: Netcore NR255-V 1.5.130703 Stack-Based Buffer Overflow in reboot_timer_set.cgi

Vendor Netcore
Product NR255-V
Weakness CWE-121
Published September 15, 2026
Last update September 15, 2026
View on NVD All CVEs

CVSS base score

8.6/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

September 15, 2026 CVE published