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)

EPSS: 0.039 (89.1th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

References

  • cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
  • cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
  • cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
  • cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
  • cna@vuldb.com (issue-tracking, Exploit, exploit, Issue Tracking)
  • cna@vuldb.com (Product, product)

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.