CVE-2026-2084

D-Link DIR-823X set_language os command injection

State: Published
Severity: 8.6 High
Published: Feb 7, 2026
Updated: Feb 23, 2026
Reserved: Feb 6, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	8.6 High	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	VulDB
3.1	7.2 High	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	VulDB
3.0	7.2 High	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	VulDB
2.0	8.3 High	AV:N/AC:L/Au:M/C:C/I:C/A:C/E:POC/RL:ND/RC:UR	VulDB

Weaknesses

CWE-78 OS Command Injection
CWE-77 Command Injection

Affected Products

Product	Versions
DIR-823XD-Link	250416Affected

References

VDB-344651 | D-Link DIR-823X set_language os command injectionvdb-entrytechnical-description
VDB-344651 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
Submit #746379 | D-Link DIR 250416 OS Command Injectionthird-party-advisory
Submit #746380 | D-Link DIR-823X 250416 OS Command Injection (Duplicate)third-party-advisory
https://github.com/master-abc/cve/issues/24exploitissue-tracking
https://www.dlink.com/product

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