CVE-2026-76853

HIGH

8.1

CVSS v3

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.

CWE-353

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

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CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

EPSS data unavailable for this CVE.

References

Other references2

Related Vulnerabilities

Other CWE-353 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2021-28545	High	8.1	2.3%	-	-
CVE-2021-28546	Medium	6.5	1.4%	-	-
CVE-2019-10943	High	7.5	1.0%	-	Fix
CVE-2020-10124	High	7.1	0.7%	-	-
CVE-2020-7878	Critical	9.8	0.7%	-	-
CVE-2020-7808	High	8.7	0.7%	-	-

Common questions

How do I fix CVE-2026-76853?

No published fix for CVE-2026-76853 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

How severe is CVE-2026-76853?

CVE-2026-76853 has a CVSS v3 base score of 8.1, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-09-16.