{"id":"CVE-2026-76860","title":"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","summary":"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 st…","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-121"],"vendor":"Netcore","product":"NR255-V","affected":["NR255-V 1.5.130703"],"published":"2026-09-15","updated":"2026-09-16","sourceUpdated":"2026-09-16T20:17:29.993","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-76860","references":[{"url":"https://github.com/draw-ctf/netcore-router-public-refs/blob/main/2026.08.19-netcore-nr255v-wake-up-set-overflow.md","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/netcore-nr255-v-1.5.130703-stack-based-buffer-overflow-in-wake-up-set-cgi-via-mac-and-id-tokenization","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-16T19:30:40.240306Z"},"ingestedAt":"2026-09-15T22:45:31.287Z","epss":0.00415,"epssPercentile":0.35404,"slug":"CVE-2026-76860","body":"## Overview\n\nNetcore 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":48.4,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}