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High · 8.8 CVE-2026-76852 EUVD-2026-80055GHSA-6645-rfg8-rhrm

Netcore NR268 1.7.121109 Forgeable Firmware Authenticity Check in mtd_write

Published Sep 15, 2026 · Updated Sep 17, 2026 · Assigned by VulnCheck

Description

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

Affected products

VendorProductAffectedFixed
Netcore NR268 1.7.121109 —

References