Is CVE-2026-76853 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-76853?

CVE-2026-76853 has a CVSS v3 severity of HIGH (8.1).

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CVE-2026-76853

Description

Netcore NR268 firmware version 1.7.121109 contains a security check bypass vulnerability in the parame_put_file.cgi restore archive prefix validation. Attackers can exploit the flawed prefix check in put_parame_file_cgi.c to bypass restricted restore archive handling.