CVE-2026-90880: D-Link DSL-3782

High severity, CVSS 7.4. EPSS: 1.9% chance of exploitation in the next 30 days.

A security flaw has been discovered in D-Link DSL-3782 2016-07-28. This issue affects the function system of the file /cgi-bin/New_GUI/Set/Diagnostics.asp of the component Diagnostics. Performing a manipulation of the argument Addr results in command injection. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks.

Affected products

• D-Link DSL-3782: version 2016-07-28 only

Published 2026-09-15. Last modified 2026-09-15.