High severity · published Feb 9, 2026
CVE-2026-2210
D-Link DIR-823X set_filtering sub_4211C8 os command injection
7.2
CVSS
4.6%
EPSS
No
On KEV
Description
A vulnerability has been found in D-Link DIR-823X 250416. This affects the function sub_4211C8 of the file /goform/set_filtering. Such manipulation leads to os command injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)4.6% · higher than 92% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DI
DIR-823X · D-Link
250416 · source: vendor
DF
Dir-823x Firmware · Dlink
250416 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-2210
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-2210
Issue Tracking
https://github.com/master-abc/cve/issues/34
Exploit
https://github.com/user-attachments/files/25010265/Remote.Command.Injection.in.D-Link.DIR-823X.via._goform_set_filtering.zip
Permissions Required
https://vuldb.com/?ctiid.344925
Third Party Advisory
https://vuldb.com/?id.344925
Third Party Advisory
https://vuldb.com/?submit.752165
Product
https://www.dlink.com/
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