CVE-2026-76860 HIGH

CVE-2026-76860: Netcore NR255-V 1.5.130703 Stack-Based Buffer Overflow in wake_up_set.cgi via MAC and ID Tokenization

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

8.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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 wake_up_set.cgi caused by unbounded tokenization of MAC and ID input. Attackers can supply crafted MAC and ID values to the affected endpoint to overflow the stack buffer and corrupt program memory.

Key dates

02Disclosure timeline

September 15, 2026 CVE published