EUVD-2026-80042

Netcore NR255-V version 1.5.130703 contains an out-of-bounds read vulnerability in the mtdwrite pre-flash validation routine triggered by short firmware uploads. Attackers can upload a truncated firmware image via putfilecgi.c to trigger out-of-bounds reads across main.c, checkimageuuid.c, and...

EUVD-2026-80055

Netcore NR268 firmware version 1.7.121109 has an improper integrity verification flaw in mtdwrite allowing forged firmware authenticity checks. Attackers can exploit putfile.cgi and checkimageuuid.c to bypass firmware signature validation and load unauthorized firmware images...

CVE-2026-76870

Netcore NR255-V version 1.5.130703 contains an out-of-bounds read vulnerability in the mtd_write pre-flash validation routine. An attacker with low privileges can upload a truncated firmware image via put_file_cgi.c , triggering out-of-bounds reads across main.c , check_image_uuid.c , and oemMD5U...

CVE-2026-76852

Netcore NR268 firmware version 1.7.121109 is affected by an improper integrity verification flaw in mtd_write that allows forged firmware authenticity checks. Attackers with network access and low privileges can exploit put_file.cgi and check_image_uuid.c to bypass firmware signature validation a...