Vulnerability details

CVE-2026-2210

D-Link DIR-823X

D-Link DIR-823X set_filtering sub_4211C8 os command injection

CVSS 4.0

8.6High

Official 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 scores

Score	Version	Source	Vector
8.6High	4.0	CVEProject cvelistV5 (CNA) (VulDB)	`CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P`
7.2High	3.1	CVEProject cvelistV5 (CNA) (VulDB)	`CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R`
7.2High	3.0	CVEProject cvelistV5 (CNA) (VulDB)	`CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R`
8.3High	2.0	CVEProject cvelistV5 (CNA) (VulDB)	`AV:N/AC:L/Au:M/C:C/I:C/A:C/E:POC/RL:ND/RC:UR`

Affected products

Vendor	Product	Versions	Source
D-Link	DIR-823X	250416	CVEProject cvelistV5 (CNA)

References and advisories

https://vuldb.com/?id.344925 vdb-entrytechnical-description
https://vuldb.com/?ctiid.344925 signaturepermissions-required
https://vuldb.com/?submit.752165 third-party-advisory
https://github.com/master-abc/cve/issues/34 issue-tracking
https://github.com/user-attachments/files/25010265/Remote.Command.Injection.in.D-Link.DIR-823X.via._goform_set_filtering.zip exploit
https://www.dlink.com/ product

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Details

Published: 2026-02-09
Last updated: 2026-02-23
State: Published
Assigner (CNA): VulDB

Exploit prediction (EPSS)

4.58%

Probability of exploitation in 30 days

91.6%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: No
Exploitation: Proof of concept
Technical impact: Total

Weaknesses (CWE)

CWE-78
OS Command Injection
CWE-77
Command Injection