Is CVE-2026-76852 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-76852?

CVE-2026-76852 has a CVSS v3 severity of HIGH (8.8).

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CVE-2026-76852

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.