CVE-2026-2084
HIGHCVSS Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
3Description
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.
Analysis
D-Link DIR-823X firmware contains a command injection vulnerability in the /goform/set_language endpoint that allows remote attackers with high privileges to execute arbitrary OS commands via manipulation of the langSelection parameter. Public exploit code exists for this vulnerability, and no patch is currently available. …
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Remediation
Within 24 hours: Identify all D-Link DIR-823X 250416 devices in your environment and isolate them from sensitive network segments; document affected asset inventory. Within 7 days: Implement network access controls (WAF rules blocking /goform/set_language requests, disable remote management if enabled, restrict device access to trusted administrative networks only). …
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External POC / Exploit Code
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