RCE in D-Link Dir-823x

CVE-2026-2084

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.

Vulnerability class: Command Injection (OS Command Injection)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.041 (90.4th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 90.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-2084: held from 0.039 to 0.041.

EPSS over last 30 days · oldest: 0.039 · newest: 0.041 · change: +0.002

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-2084?
CVE-2026-2084 is a high-severity vulnerability in D-Link Dir-823x, classified under Command Injection. CVSS score: 7.2/10. Published 2026-02-07.
How severe is CVE-2026-2084?
High severity. CVSS v3 base score is 7.2 out of 10.