Critical severity · published Oct 12, 2026
CVE-2026-108929
Netcore NR268 DDNS DDNSset.cgi execvp argument injection
9.9
CVSS
0.4%
EPSS
No
On KEV
Description
A flaw has been found in Netcore NR268 1.7.121109. The affected element is the function execvp of the file /router/DDNSset.cgi of the component DDNS. Executing a manipulation of the argument Hostname can lead to argument injection. The attack can be launched remotely.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 37% 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-2026-108929
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-108929
vdb-entry
https://vuldb.com/vuln/416753
signature
https://vuldb.com/vuln/416753/cti
third-party-advisory
https://vuldb.com/cve/CVE-2026-108929
third-party-advisory
https://vuldb.com/submit/977178
related
https://github.com/draw-ctf/report/blob/main/NR268/2026.09.14-netcore-nr268-ddns-argument-injection.md
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8.8
CVE-2026-76852
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8.1
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Netcore NR268 1.7.121109 Security Check Bypass in parame_put_file.cgi
7.2
CVE-2026-108906
Netcore NR268 filter_arp_put_file.cgi filter_arp_put_file_cgi out-of-bounds
4.3
CVE-2026-108932
Netcore NR268 DHCP Hostname filter_hosts_dump.cgi eval cross site scripting