CVE-2026-76853

High CVSS 8.1

Published 2026-09-15 · last changed 2026-09-16

The fix

We hold no Microsoft remediation data for CVE-2026-76853, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

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.

Sources

NVD record for CVE-2026-76853

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H