GHSA-6pww-6jhw-38g6HighCVSS 7.1
Netcore NR255-V version 1.5.130703 contains an out-of-bounds read vulnerability in the mtd_write...
🔗 CVE IDs covered (1)
📋 Description
Netcore NR255-V version 1.5.130703 contains an out-of-bounds read vulnerability in the mtd_write pre-flash validation routine triggered by short firmware uploads. Attackers can upload a truncated firmware image via put_file_cgi.c to trigger out-of-bounds reads across main.c, check_image_uuid.c, and oemMD5Update.c.
🔗 References (4)
- https://nvd.nist.gov/vuln/detail/CVE-2026-76870
- https://github.com/draw-ctf/netcore-router-public-refs/blob/main/2026.08.19-netcore-nr255v-firmware-upload-oob.md
- https://www.vulncheck.com/advisories/netcore-nr255-v-1.5.130703-out-of-bounds-read-in-mtd-write-firmware-upload-validation
- https://github.com/advisories/GHSA-6pww-6jhw-38g6