CVE-2026-76870 - Netcore NR255-V 1.5.130703 Out-of-Bounds Read in mtd_write Firmware Upload Validation

CVE-2026-76870 - Netcore NR255-V 1.5.130703 Out-of-Bounds Read in mtd_write Firmware Upload Validation

https://cvefeed.io/rssfeed/latest.atom / Wed, 09/16/2026 - 01:32
CVE ID :CVE-2026-76870
Published : Sept. 15, 2026, 10:17 p.m. | 51 minutes ago
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.
Severity: 7.1 | HIGH
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