High severity · published Sep 15, 2026
CVE-2026-76853
Netcore NR268 1.7.121109 Security Check Bypass in parame_put_file.cgi
8.1
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 17% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NR
NR268 · Netcore
1.7.121109 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-76853
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-76853
github.com
https://github.com/draw-ctf/netcore-router-public-refs/blob/main/2026.08.19-netcore-nr268-restore-bypass.md
www.vulncheck.com
https://www.vulncheck.com/advisories/netcore-nr268-1.7.121109-security-check-bypass-in-parame-put-file-cgi
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9.9
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8.8
CVE-2026-76852
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7.2
CVE-2026-108906
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4.3
CVE-2026-108932
Netcore NR268 DHCP Hostname filter_hosts_dump.cgi eval cross site scripting