What is CVE-2026-76853?

CVE-2026-76853 is a high-severity vulnerability in Netcore Nr268, classified under CWE-353. CVSS score: 8.1/10. Published 2026-09-15.

How severe is CVE-2026-76853?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in Netcore Nr268

CVE-2026-76853

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.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.

Affected products

Netcore Nr268 — versions 1.7.121109

Weakness classification (CWE)

CWE-353

References

disclosure@vulncheck.com (third-party-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-76853?: CVE-2026-76853 is a high-severity vulnerability in Netcore Nr268, classified under CWE-353. CVSS score: 8.1/10. Published 2026-09-15.
How severe is CVE-2026-76853?: High severity. CVSS v3 base score is 8.1 out of 10.