Vulnerability details

CVE-2026-2084

D-Link DIR-823X

D-Link DIR-823X set_language os command injection

CVSS 4.0

8.6High

Official description

A weakness has been identified in D-Link DIR-823X 250416. This impacts an unknown function of the file /goform/set_language. Executing a manipulation of the argument langSelection can lead to os command injection. It is possible to launch the attack remotely. The exploit has been made available to the public and could be used for attacks.

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.344651 vdb-entrytechnical-description
https://vuldb.com/?ctiid.344651 signaturepermissions-required
https://vuldb.com/?submit.746379 third-party-advisory
https://vuldb.com/?submit.746380 third-party-advisory
https://github.com/master-abc/cve/issues/24 exploitissue-tracking
https://www.dlink.com/ product

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Details

Published: 2026-02-07
Last updated: 2026-02-23
State: Published
Assigner (CNA): VulDB

Exploit prediction (EPSS)

4.62%

Probability of exploitation in 30 days

91.7%

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